# File Extensions. File types with extensions that start with a number or symbol. Extension File Type File Description

# File Extensions File types with extensions that start with a number or symbol. Extension

File Type

File Description

.!ut

Misc

uTorrent Incomplete Download

.$$$

Backup

Temporary File

.$01

Developer

DOS Pipe File

.$db

Backup

dBASE Temporary File

.$er

Data

GroupWise Database

.0

Compressed

Hacha Split Archive File

.0

Game

M3 DS Real Save File

.000

Misc

Windows CE Installation Data File

.000

Disk

Virtual CD ISO File

.000

Compressed

DoubleSpace Compressed File

.001

Image

Fax File

.001

Backup

HJSplit Split Archive

.001

Misc

001 File Manager Split File

.001

Developer

Multimedia Fusion Backup File

.001

Game

Snes9x Slot 2 Saved State

.001

Backup

Norton Ghost Disk Backup

.001

Misc

001 File Joiner & Splitter File

.001

Misc

SplitJoin Split File

.0xe

Executable

F-Secure Renamed Virus File

.113

Backup

Iomega Backup File

.123

Data

Lotus 1-2-3 Spreadsheet

.123

Data

PCB123 Circuit Board Design

.1pe

Data

TurboTax Form File

.1ph

Data

TurboTax File

.1st

Text

Readme File

.256

Settings

Descent 2 Color Palette File

.2bp

Raster Image

Pocket PC Bitmap Image File

.2d

Image

VersaCAD 2D Drawing

.2mg

Disk

Apple IIGS Disk Image

.386

System

Windows Virtual Device Driver

.3d

Image

Stereo CAD-3D Image File

.3d2

Image

Stereo CAD-3D 2.0 Image File

.3d4

3D Image

Stereo CAD-3D 2.0 Image File

.3da

Image

3D Assembly

.3df

3D Image

3D Format

.3dl

3D Image

LightConverse 3D Model File

.3dm

3D Image

Rhino 3D Model

.3dmf

3D Image

QuickDraw 3D Metafile

.3dr

Data

3DMark Results File

.3ds

3D Image

3D Studio Scene

.3dt

Data

3D Topicscape File

.3dv

3D Image

3D VRML World

.3dx

3D Image

Rhino 3D Model File

.3dxml

3D Image

Dassault Systemes 3D XML File

.3g2

Video

3GPP2 Multimedia File

.3gp

Video

3GPP Multimedia File

.3gp2

Video

3GPP Multimedia File

.3gpp

Video

3GPP Media File

.3me

Data

TurboTax Form File

.3mm

Video

3D Movie Maker Movie Project

.3p2

Video

3GPP Multimedia File

.3pe

Data

TurboTax 2008 Form File

.411

Raster Image

Mavica Thumbnail Image

.4db

Developer

4th Dimension Database Structure File

.4dd

Developer

4th Dimension Database Data File

.4dl

Data

4th Dimension Database Log File

.4dv

Data

4D View Ultrasound File

.4mp

Audio

4-MP3 Database File

.60d

Video

CCTV Video Clip

.669

Audio

UNIS Composer 669 Module

.6cm

Audio

Six Channel Module

.7z

Compressed

7-Zip Compressed File

.83p

Misc

TI-83 Calculator File

.8ba

Plugin

Photoshop Plug-in

.8bc

Plugin

Photoshop 5.0 Plug-in

.8be

Plugin

PhotoDeluxe Plug-in

.8bf

Plugin

Filter Factory Image Filter

.8bf

Plugin

Photoshop Filter Plug-in

.8bi

Plugin

Photoshop Plug-in

.8bi8

Plugin

Photoshop Plug-in

.8bl

Plugin

Photoshop Plug-in

.8bs

Plugin

Photoshop 5.0 Selection Plug-in

.8bx

Plugin

PhotoDeluxe Plug-in

.8by

Plugin

PhotoDeluxe Plug-in

.8cm

Audio

Eight Channel Module

.8li

Plugin

Photoshop Scripting Plug-in

.8med

Audio

Amiga OctaMed Music File

.8pbs

Image

Adobe Photoshop Macintosh File

.8st

Settings

8start Launcher File

.8svx

Audio

Amiga 8-Bit Sound File

.8xg

Data

TI-83/84 Plus Group File

.8xi

Raster Image

TI-83/84 Plus Picture File

.8xk

Data

TI-83 Plus Application Upgrade File

.8xp

Misc

TI-83 Plus Calculator File

.8xs

Data

TI-83/84 Plus String File

.8xu

System

TI-83 Plus Operating System File

.8xv

Data

TI-83/84 Plus Variable File

.^^^

Data

Pervasive.SQL Database File

.{pb

Data

Corel WordPerfect Document Index File

.~hm

Data

HostMonitor TestList Backup File

A File Extensions File types with extensions that start with the letter A. Extension

File Type

File Description

.a

Developer

Static Library

.a00

Compressed

ALZip Second Split Archive File

.a01

Compressed

ALZip Third Split Archive File

.a02

Compressed

ALZip Fourth Split Archive File

.a2m

Audio

AdLib Tracker 2 File

.a2m

Settings

TS-AudioToMIDI Settings File

.a2w

Developer

Alice World

.a3l

Data

Authorware 3 Library

.a3m

Data

Authorware 3 Macintosh File

.a3w

Data

Authorware 3 Windows File

.a4l

Data

Authorware 4 Library

.a4m

Data

Authorware 4 Macintosh File

.a4w

Data

Authorware 4 Windows File

.a5l

Data

Authorware 5 Library

.a5w

Data

Authorware 5 Windows File

.a65

Data

Authorware 6.5 File

.a6p

Executable

Authorware 6 Program

.aa

Disk

Generic CD Image

.aa

Audio

Audible Audio Book File

.aa3

Audio

ATRAC Audio File

.aac

Audio

Advanced Audio Coding File

.aam

Settings

Authorware Map File

.aao

Data

Agenda At Once File

.aao

Game

America's Army Map File

.aawdef

Misc

Ad-Aware Definitions File

.aax

Audio

Audible Enhanced Audiobook File

.ab

Developer

Applix Builder File

.ab

Data

DNA Sequence File

.ab1

Data

DNA Electropherogram File

.ab2

Data

Print Shop Address Book File

.ab3

Data

PhotoImpact 3 Album File

.aba

Backup

Palm Address Book Archive

.aba

Plugin

Avant Browser Add-on File

.abbu

Backup

Address Book Backup

.abc

Developer

ABC Source File

.abc

Audio

ABC Music Notation

.abcd

Data

AudioVisual Book Data File

.abf

Font

Adobe Binary Screen Font File

.abi

Data

DNA Chromatogram File

.abk

Backup

Automatic Backup File

.abk

Game

Arena Opening Book File

.abk

Game

Need for Speed Underground Audio File

.abm

Audio

Music Album

.abm

Raster Image

Photo Album

.abp

Data

AVS Barcode Profile

.abr

Misc

Adobe Photoshop Brushes File

.abw

Text

AbiWord Document

.aby

Data

AOL Address Book File

.ac

Executable

Autoconf Script

.ac$

Misc

AutoCAD Temporary File

.ac3

Audio

Audio Codec 3 File

.ac5

Image

ArtCut 5 Document

.ac6

Image

ArtCut 6 Document

.aca

Data

Agent Character Animation File

.acb

Misc

AOL Cab Launcher

.acc

Data

Graphics Accounts Data File

.accdb

Data

Access 2007 Database File

.acd

Audio

ACID Project File

.acd

Developer

RSLogix 5000 Program

.ace

Compressed

WinAce Compressed File

.acf

Data

Agent Character Data File

.acfm

Font

Adobe Composite Font Metrics File

.acg

Data

Agent Preview File

.acl

Misc

AutoCorrect List File

.acm

Audio

Interplay Audio File

.acr

Backup

Acer eRecovery Management Backup File

.acr

Image

American College of Radiology Format

.acr

Executable

ACRobot Script

.acrobatsecuritysettings

Settings

Adobe Acrobat Security Settings File

.acrodata

Settings

Acrobat Data File

.acs

Misc

Agent Character File

.acsm

Misc

Adobe Content Server Message File

.act

Text

FoxPro Documenting Wizard Action Diagram

.act

3D Image

Genesis3D Actor File

.act

Audio

ADPCM Compressed Audio File

.action

Executable

Automator Action

.acx

Game

Atari ST Program

.ad

Misc

After Dark Screensaver

.ada

Developer

Ada Source Code

.adb

Developer

Ada Body File

.adb

Developer

Alpha Five Database File

.adc

Image

Scanstudio 16 Color Image

.add

Misc

Dynamics AX Developer Documentation File

.ade

Data

Access Project Extension

.adf

Disk

Amiga Disk File

.adg

Audio

Ableton Device Group

.adi

Misc

Dynamics AX Developer Documentation Index File

.adi

Image

AutoCAD Device-Independent Binary Plotter File

.adm

Misc

Portfolio Admin-Level Access Flag

.adm

System

Administrative Template File

.adp

Data

Access Project

.adr

Web

Opera Bookmarks File

.ads

Developer

Ada Specification File

.adt

Text

AutoCAD Audit Log

.adt

Data

ACT! Document Template

.adx

Data

Approach Index File

.adz

Disk

Compressed Amiga Disk File

.aea

Settings

Ae Timer Alarm Document

.aep

Developer

Activ E-Book Project

.aep

Video

After Effects Project

.aex

Web

Alpha Five Compiled Global Functions File

.afc

Audio

Mass Effect 2 Audio File

.afm

Font

Adobe Font Metrics File

.afp

Encoded

FileProtector Encrypted File

.afp

Page Layout

Advanced Function Presentation File

.afploc

Misc

Apple Filing Protocol Location

.afs

Data

STAAD.foundation Project File

.aft

Data

Ancestry.com Family Tree Database

.afx

Raster Image

Auto FX Photo/Graphic Edges Image

.agd

Data

AgileGraph Data File

.agd

Misc

Agile Advantage E-mail Attachment

.agi

Developer

Asterisk Gateway Interface File

.agif

Raster Image

Active GIF Creator Project

.agm

Audio

DTS Multi-channel Pro Packer File

.agp

Raster Image

ArtGem Project File

.ahd

Misc

Dynamics AX Online Help Data File

.ahi

Misc

Dynamics AX Online Help Index File

.ahk

Executable

AutoHotkey Script

.ahl

Settings

eMule Metadata File

.ahs

Settings

Adobe Halftone Screen File

.ahx

Audio

WinAHX Tracker Module

.ai

Vector Image

Adobe Illustrator File

.aic

Raster Image

Advanced Image Coding File

.aif

Audio

Audio Interchange File Format

.aif

Misc

Symbian Application Information File

.aifb

Data

AIF Builder Project File

.aifc

Audio

Compressed Audio Interchange File

.aiff

Audio

Audio Interchange File Format

.aim

Text

AIMMS ASCII Model File

.aim

Misc

AOL Instant Messenger Launch File

.ain

Compressed

AIN Compressed File Archive

.aip

Plugin

Illustrator Plug-in

.air

Executable

Adobe AIR Installation Package

.ais

Audio

Velvet Studio Instrument

.ais

Raster Image

ACDSee Image Sequence File

.ait

Settings

Adobe Illustrator Template

.ajp

Video

CCTV Video File

.akp

Audio

Akai Sampler File

.al

Audio

A-Law Compressed Sound Format

.alaw

Audio

A-Law Compressed Sound Format

.alb

Developer

Alpha Five Library

.albm

Raster Image

HP Photo Printing Software Album File

.alc

Data

Dynamics AX Label Description File

.ald

Data

Dynamics AX Application Label Data File

.ali

Data

Dynamics AX Label Index File

.all

Audio

Cubasis Project File

.alt

Misc

Dynamics AX Temporary File

.alx

Settings

BlackBerry Application Loader XML File

.alx

Web

ActiveX Layout Control File

.alz

Compressed

ALZip Archive

.am1

Game

Adventure Maker

.am4

Developer

AutoPlay Media Studio 4 Project File

.am5

Developer

AutoPlay Media Studio 5 Project File

.am6

Developer

AutoPlay Media Studio 6 Project

.am7

Developer

AutoPlay Media Studio 7 Project

.amb

Data

AIMMS Model File

.amf

Audio

Advanced Module File

.amfm

Font

Adobe Multiple Font Metrics File

.amr

Audio

Adaptive Multi-Rate Codec File

.ams

Settings

Adobe Monitor Setup file

.ams

Audio

Velvet Studio Module

.ams

Audio

Extreme Tracker Module

.amsorm

Data

OnLine Ringman Auction Client File

.amu

Image

Sony Photo Album

.amv

Video

Anime Music Video File

.amx

Video

Adobe Motion Exchange File

.amx

Plugin

AMX Mod Plugin File

.amxx

Plugin

AMX Mod X Plugin File

.amz

Music

Amazon MP3 Downloader File

.an1

Data

Street Atlas USA Draw File

.an2

Game

Croc Legend of the Gobbos Animation File

.an8

3D Image

Anim8or File

.ani

System

Windows Animated Cursor

.anm

3D Image

3D Animation File

.anme

Data

Anime Studio Project

.ann

System

Help Annotations

.ans

Text

ANSI Text File

.aob

Audio

DVD-Audio Audio Object File

.aod

Misc

Dynamics AX Object Data File

.aoi

Misc

Dynamics AX Application Object Index File

.aol

Misc

America Online File

.aos

System

ARCHOS PCtablet Firmware File

.ap

Web

Active Page

.apa

Developer

RSView Development Project Archive

.ape

Audio

Monkey's Audio Lossless Audio File

.ape

Plugin

AVS Plugin Effects File

.apf

Audio

Sony Ericsson Firmware Acoustics File

.apf

Misc

Adobe Profile File

.api

Plugin

Acrobat Plug-in

.apk

Executable

Android Package File

.apm

Raster Image

Aldus Placeable Metafile Image

.apng

Raster Image

Animated Portable Network Graphic

.app

Executable

Mac OS X Application

.app

Executable

FoxPro Generated Application

.app

Executable

Symbian OS Application

.applescript

Executable

AppleScript File

.application

Settings

ClickOnce Deployment Manifest File

.appref-ms

Settings

Microsoft Application Reference File

.apr

Data

ArcView Project File

.apz

Compressed

Autoplay Media Studio Exported Project

.ar

Compressed

Unix Static Library

.arc

Compressed

Compressed File Archive

.arc

Data

Nintendo Archive File

.arc

Game

African Safari Data File

.arch00

Game

F.E.A.R. Game Archive

.ard

3D Image

ArtiosCAD Workspace File

.arf

Video

WebEx Advanced Recording File

.arh

Compressed

ProTool Compressed Project File

.arh

Data

ArheoStratigraf Project File

.ari

Compressed

ARI Compressed File Archive

.arj

Compressed

ARJ Compressed File Archive

.ark

Compressed

PowerDesk Pro Archive

.arl

Settings

AOL Organizer File

.aro

Web

SteelArrow Web Application File

.arp

Settings

Advanced RAR Password Recovery Setup

.arr

Image

Amber Graphic File

.arr

Misc

Advanced RAR Password Recovery Project

.art

Raster Image

AOL Compressed Image File

.art

Vector Image

Art Document

.art

Developer

Artifacts Artifact File

.artproj

Developer

Artifacts Project

.artwork

Raster Image

ArtStudio Image

.arw

Raster Image

Sony Digital Camera Image

.arw

Raster Image

ArtStudio Image

.as

Developer

ActionScript File

.as4

Backup

askSam Backup File

.asa

Web

ASP Configuration File

.asat

3D Image

Assemble SAT 3D Model File

.asc

Developer

ActionScript Communication File

.asc

Text

Autodesk ASCII Export File

.asc

Text

ASCII Text File

.ascii

Text

ASCII Text File

.ascx

Web

Active Server Custom Control

.asd

Backup

Word AutoSave File

.ase

Text

Autodesk ASCII Scene Export File

.ase

Audio

Velvet Studio Sample

.asf

Video

Advanced Systems Format File

.ashx

Web

ASP.NET Web Handler File

.asi

Developer

Alpha Five Variable File

.ask

Data

askSam Database

.asl

Settings

Photoshop Style

.asm

Data

Pro/ENGINEER Assembly File

.asm

Developer

Assembly Language Source Code File

.asm

Data

Solid Edge Assembly File

.asmx

Web

Active Server Method File

.asnd

Data

Adobe Sound Document

.asp

Web

Active Server Page

.aspx

Web

Active Server Page Extended File

.asr

Web

ActionScript Remote Document

.ast

Settings

Adobe Color Separations Table

.ast

Data

ClarisWorks Assistant File

.aswcs

Settings

Avast! Compressed Skin File

.asws

Settings

Avast! Skin File

.asx

Video

Microsoft ASF Redirector File

.at3

Audio

ATRAC3 Audio File

.at5

Data

Lowrance Map File

.atf

Settings

Photoshop Transfer Function File

.atn

Settings

Photoshop Actions File

.atom

Web

Atom Syndication Format

.atr

Disk

Atari Disk Image

.atrac

Audio

Sony ATRAC Audio File

.att

Data

Alphacam Lathe Tool File

.att

Web

Web Form Post Data File

.atx

Plugin

Animation Master Plugin File

.aty

Text

Association Type Placeholder

.atz

Settings

Aston Compiled Theme

.atz

Misc

Atomic Time Zone File

.au

Audio

Audio File

.au3

Developer

AutoIt v3 Script

.aud

Audio

Video Game Compressed Audio File

.aup

Audio

Audacity Project File

.aut

Developer

AutoIt Script File

.avb

Video

Avid Bin File

.avi

Video

Audio Video Interleave File

.avl

Misc

ArcView Legend File

.avr

Audio

Audio Visual Research File

.avs

Settings

AVS Preset File

.avs

Video

Application Visualization System File

.avs

Video

AviSynth Script File

.avx

Plugin

ArcView Extension File

.aw

Data

Answer Wizard File

.awb

Audio

AMR-WB Audio File

.awc

Misc

Emulex AWC Firmware Update File

.awd

Image

FaxView Document

.awd

Raster Image

Artweaver Document

.awd

Misc

Award BIOS Update File

.awg

Data

Activeworlds Object Group File

.awk

Executable

AWK Script

.ax

Plugin

DirectShow Filter

.axd

Web

ASP.NET Web Handler File

.axm

Video

AXMEDIS Object

.axp

Settings

CDBurnerXP Audio Compilation File

.axx

Compressed

AxCrypt Encrypted File

.azw

Data

Amazon Kindle eBook File

.azz

Data

AZZ Cardfile Database File

B File Extensions File types with extensions that start with the letter B. Extension

File Type

File Description

.b

Developer

BASIC Source File

.b2a

Encoded

Btoa Encoded File

.b5i

Disk

BlindWrite 5 Disk Image

.b5t

Disk

BlindWrite 5 Disc Track Information File

.b64

Compressed

Base64 MIME-Encoded File

.b6i

Disk

BlindWrite 6 Disc Image

.b6t

Disk

BlindWrite 6 Track Information File

.ba

Compressed

Scifer External Header Archive

.bac

Backup

Backup File

.backupdb

Backup

Time Machine Backup Folder

.bad

Text

Exchange Badmail File

.bafl

Data

BurnAware File List

.bak

Backup

Firefox Bookmarks Backup

.bak

Backup

Backup File

.band

Audio

GarageBand Project File

.bap

Audio

Blaze Audio Wave Information File

.bar

Game

Age of Mythology Data File

.bar

Game

Age of Empires III Data File

.bas

Developer

BASIC Source Code File

.bat

Executable

DOS Batch File

.bau

Settings

OpenOffice.org AutoText File

.bav

Plugin

AVG Anti-Virus The Bat! Plugin File

.bb

Developer

Blitz Source Code File

.bbc

Developer

BBC BASIC Data File

.bbs

Text

Bulletin Board System Text

.bc

Misc

BitComet Partially Downloaded File

.bc!

Misc

BitComet Incomplete File

.bcc

Data

Calendar Creator File

.bcf

Page Layout

Business Card Designer Pro File

.bci

Data

Belarc Advisor Report File

.bck

Backup

VMX Backup File

.bckp

Backup

Ad-Aware Quarantined File

.bcm

Backup

Microsoft Works Communications Script Backup

.bcm

Data

Business Contact Manager File

.bcmx

Settings

Business Contact Manager Customization

.bcp

Developer

Borland C++ Makefile

.bcp

Settings

BlackMagic Custom Palette

.bcp

Page Layout

Business Card Designer Plus File

.bdb

Backup

Microsoft Works Database Backup File

.bdd

Audio

CARA Sound Radiation Data File

.bdf

Font

Glyph Bitmap Distribution Format

.bdf

Disk

MIDAS BDF Disk Image File

.bdf

Data

Binary Data File

.bdic

Data

Chrome Dictionary File

.bdl

3D Image

CoCreate Bundle File

.bdm

Video

AVHCD Information File

.bdmv

Video

Blu-ray Disc Movie Information File

.bdp

Text

Exchange Diagnostic Message

.bdr

Text

Exchange Non-Delivery Report Body File

.bdr

Misc

Publisher Borders File

.bean

Text

Bean Rich Text Document

.bet

Developer

BETA Source File

.bfa

Encoded

Blowfish Encrypted File

.bfc

Misc

Windows Briefcase File

.bfx

Data

Bitware Fax Document

.bgi

Settings

BgInfo Configuration File

.bgl

Data

Babylon Glossary File

.bgt

Data

Graphics Accounts Data File

.bh

Compressed

BlakHole Archive

.bhx

Encoded

BinHex Encoded File

.bib

Text

Bibliography Document

.bib

Text

BibTeX Bibliography Database

.bic

Game

Civilization 3 Scenario

.bif

Disk

Boot Information File

.big

Game

Electronic Arts Game Data File

.bik

Game

Video Game Movie File

.bik

Video

BINK Video File

.bin

Executable

Unix Executable File

.bin

Disk

CDRWin CD Image

.bin

Game

Sega Genesis Game ROM

.bin

Data

Generic Binary File

.bin

Encoded

Macbinary Encoded File

.bin

Game

Nintendo DS Binary File

.bin

Video

Binary Video File

.bio

System

BIOS File

.bip

3D Image

Character Studio Biped File

.biq

Game

Civilization 3 Scenario

.bix

Game

Civilization 3 Scenario

.bix

Video

Kodicom Video File

.biz

Page Layout

Broderbund Business Card File

.bjo

Data

TablEdit Tablature File

.bk

Data

FrameMaker Book File

.bkc

Backup

Backup4all Backup Catalog

.bkf

Backup

Windows Backup Utility File

.bkk

Data

BookBuddi eBook File

.bkp

Backup

Backup File

.bks

Backup

Microsoft Works Spreadsheet Backup File

.bks

Settings

NTBackup Settings File

.blb

Data

Blob Data File

.bld

Data

Envisioneer Building Project File

.blend

3D Image

Blender 3D Data File

.blg

Data

Windows Binary Performance Log File

.blkrt

Raster Image

Block Artist Image File

.blob

Settings

Valve Steam Archive

.blp

Game

Blizzard Texture File

.bls

Game

Blockland Saved Game File

.blt

Settings

AIM Buddy List

.blu

Plugin

FileMaker Pro Runtime Extension

.blz

Image

Compressed Bitmap Graphic

.bmc

Image

Embroidery Image File

.bmc

Image

Bitmap Cache File

.bmd

Game

GameCube 3D Model File

.bme

Game

BeatMania 7-Key Song File

.bmf

Raster Image

Binary Material File

.bmf

3D Image

FloorPlan File

.bmk

Video

PowerDVD MovieMark File

.bmk

System

Help Bookmarks

.bml

Web

Bean Markup Language File

.bmp

Raster Image

Bitmap Image File

.bms

Game

BeatMania Song File

.bna

Text

Barna Word Processor Document

.bnd

Misc

DB2 CLI Bind File

.bnk

Game

Test Drive Unlimited Data Package

.boc

Text

EasyWord Big Document

.bok

Data

TestGen Testbank File

.bok

Web

ProStores Dynamic Web Page

.bom

System

Mac OS X Bill of Materials File

.boo

Compressed

Booasm Compressed Archive

.boot

Settings

InstallShield Boot File

.bootskin

Misc

Stardock Bootskin File

.box

Video

Kodicom Video

.box

Audio

CARA Loudspeaker Design File

.box

Data

E-mail Mailbox

.bp2

Misc

AutoCAD Batch Plot File

.bp3

Misc

AutoCAD Batch Plot File

.bpa

Backup

StorageSync Backup Archive

.bpb

Backup

PowerDesigner Business Process Backup File

.bpg

Developer

Borland Project Group

.bpl

Misc

AutoCAD Batch Plot File

.bpl

Developer

Borland Package Library

.bpm

Backup

PowerDesigner Business Process Model

.bps

Backup

Works Document Backup

.br3

3D Image

Bryce 3 Scene File

.br4

3D Image

Bryce 4 Scene File

.br5

3D Image

Bryce 3D Scene File

.brd

Data

EAGLE Circuit Board File

.brk

Raster Image

Brooktrout Fax Document

.bro

Page Layout

CreataCard Brochure Project

.bro

3D Image

Broadleaf Tree Model

.brw

Data

Calyx Point Borrower File

.bs2

Developer

BASIC Stamp 2 Code File

.bs4

Video

Mikogo Session Video Recording

.bsa

Game

Bethesda Softworks Archive

.bsb

Game

BioShock Saved Game File

.bsf

Video

Blu-ray AVC Video File

.bsp

Game

Valve Game Map File

.bst

Misc

BibTeX Style Document

.btf

Data

NationsBank Check Images

.btif

Data

NationsBank Check Image File

.btm

Data

BizTalk Map File

.btoa

Encoded

Binary-to-ASCII Encoded File

.btr

Data

Btrieve Database File

.btw

Page Layout

BarTender Label

.buf

Misc

Buffer File

.bun

Audio

Cakewalk Bundle File

.bundle

Plugin

Mac OS X Application Plug-in

.bup

Backup

Backup File

.bup

Backup

DVD IFO Backup File

.bvh

3D Image

Biovision Hierarchy Animation File

.bwa

Disk

BlindWrite Disk Information File

.bwf

Audio

Broadcast Wave File

.bwi

Disk

BlindWrite CD/DVD Disc Image

.bws

Disk

BlindWrite Sub Code File

.bwt

Disk

BlindWrite 4 Disk Image

.bxx

Settings

BS Contact Parameter File

.byu

Video

Brigham Young University Movie

.bz

Compressed

Bzip Compressed File

.bz2

Compressed

Bzip2 Compressed File

.bzip

Compressed

Bzip Compressed Archive

.bzip2

Compressed

Bzip2 Compressed Archive

.bzw

Game

BZFlag World File

C File Extensions File types with extensions that start with the letter C. Extension

File Type

File Description

.c

Developer

C/C++ Source Code File

.c

Developer

Lite-C Script

.c00

Compressed

WinAce Split Archive File

.c01

Audio

Typhoon Wave Audio File

.c01

Compressed

WinAce Split Archive Part 1 File

.c02

Compressed

WinAce Split Archive Part 1 File

.c2d

Disk

WinOnCD Disc Image

.c2r

Settings

Windows Media Center Click-To-Record File

.c4

Raster Image

JEDMICS Image File

.c4d

3D Image

Cinema 4D Model File

.ca

Misc

Initial Telnet Cache

.cab

System

Windows Cabinet File

.cache

Misc

Cache File

.cad

3D Image

BobCAD-CAM File

.caf

Audio

Core Audio File

.cag

Image

Clip Art Gallery

.cal

Raster Image

CALS Raster Graphic

.cal

Page Layout

Calendar File

.calb

Misc

Coolect Album File

.cals

Raster Image

CALS Raster Graphic File

.cam

Misc

Gerber CAM Job File

.cam

Image

Casio Digital Camera Picture

.camp

Settings

WCS Color Appearance Model Profile File

.camrec

Video

Camtasia Studio Screen Recording

.can

Raster Image

Canon Navigator Fax Document

.cap

Developer

Construct Game Development File

.cap

Data

Packet Capture File

.car

Compressed

CAR Archive

.cat

Data

Advanced Disk Catalog Database

.catpart

Image

CATIA V5 Part Document

.catproduct

3D Image

CATIA 5 Assembly File

.cav

Data

Comodo Virus Definitions File

.cb7

Compressed

Comic Book 7-Zip Archive

.cbf

Game

ChessBase Game Information File

.cbf

Page Layout

Calendar Builder File

.cbg

Data

CyberGauge Data File

.cbk

Backup

Backup Configuration File

.cbl

Developer

COBOL Program

.cbr

Compressed

Comic Book RAR Archive

.cbt

Misc

Computer Based Training File

.cbt

Compressed

Comic Book TAR File

.cbz

Compressed

Comic Book ZIP Archive

.cc

Developer

C++ Source Code File

.ccd

Disk

CloneCD Disk Image

.ccf

Encoded

CryptLoad Container File

.cch

Data

Corel Chart File

.ccn

Developer

Compressed Multimedia Fusion File

.ccr

Data

ASTM Continuity of Care Record

.cct

Data

Director Protected Cast Resource

.ccx

Plugin

Click & Create Extension

.cd

Developer

Visual Studio Class Diagram

.cd

Disk

CD-i OptImage

.cd2

Page Layout

Click'N Design 3d File

.cd5

Raster Image

Chasys Draw Image File

.cda

Audio

CD Audio Track Shortcut

.cdb

Data

CardScan Contacts Database

.cdb

Data

Symbian Phonebook Database

.cdb

Data

Pocket Access Database

.cdd

Data

ConceptDraw Drawing File

.cdf

Data

Content Definition File

.cdf

Web

Channel Definition Format

.cdf

Data

Common Data Format

.cdg

Raster Image

Compact Disc Plus Graphics Image

.cdi

Disk

DiscJuggler Disc Image

.cdl

3D Image

CADKEY Wireframe Design File

.cdp

Game

Trainz Simulator Content Dispatcher Pack

.cdp

Data

CD/Spectrum Pro File

.cdp2

Game

Trainz Classics Content Dispatcher Pack 2

.cdr

Audio

Raw Audio CD Data

.cdr

Vector Image

CorelDRAW Image File

.cdr

Data

Crash Data Retrieval Data File

.cdt

Settings

CorelDRAW Image Template

.cdx

Data

Compound Index File

.cdx

Vector Image

CorelDRAW Compressed File

.ce

Image

Computer Eyes Image

.ceb

Misc

Apabi eBook File

.cel

Audio

Audition Loop

.cel

Image

MicroStation Cell Library

.cel

Data

Battery 3 Drum Cell File

.celtx

Data

Celtx Project File

.cer

Web

Internet Security Certificate

.cfg

Settings

Citrix Server Connection File

.cfg

Settings

Configuration File

.cfge

Game

Jewel Quest Configuration File

.cfl

Misc

IMVU Product File

.cfm

Web

ColdFusion Markup File

.cgf

Game

Far Cry Model File

.cgi

Executable

Common Gateway Interface Script

.cgm

Vector Image

Computer Graphics Metafile

.cgp

Encoded

PixelCryptor Encrypted File

.cgr

Settings

Quest3D Channel Group File

.cgz

System

Linux Drivers Archive

.cgz

Game

AssaultCube Map File

.ch3

Page Layout

Harvard Graphics DOS Chart File

.cha

Settings

Photoshop Channel Mixture

.cha

Font

Character Layout File

.cha

Web

Online Chat Configuration File

.charset

Text

Character Set

.chat

Web

Online Chat Configuration File

.chg

Data

Quicken Online Data File

.chk

Data

InterCheck Checksum Database

.chk

Game

StarCraft Chunk File

.chk

Misc

Saved File Fragment

.chl

Settings

WinFast PVR2 Channel List

.chm

Web

Compiled HTML Help File

.chml

Encoded

Chameleon Encrypted Database File

.chn

Data

Ethnograph Data

.chord

Text

Song Chords File

.chr

Font

Borland Character Set

.cht

Game

SNES Cheat File

.chw

Misc

Compiled Help Index File

.cidb

Audio

iTunes CD Information File

.cif

Disk

Easy CD Creator Disk Image

.cil

Image

ClipArt Gallery Packaged File

.cin

Raster Image

Kodak Cineon Bitmap File

.cit

Raster Image

Intergraph Bitmap Image File

.ck9

Backup

Cook'n Cookbook Backup File

.ckd

Data

Kubotek Design Container

.ckt

Data

CircuitMaker File

.cl2

Data

HY-TEK Meet Results File

.cl4

Data

Easy CD Creator 4 Project File

.cl5

Disk

Easy CD Creator 5 Saved Project

.class

Developer

Java Class File

.clb

Data

ICQ Contact List

.clb

System

COM+ Catalog File

.cld

Page Layout

Canon CD Label Template

.clg

Data

Collage Maker Project File

.clg

Settings

Windows Catalog File

.clix

Data

CLIX Command File

.clk

Data

Corel R.A.V.E Project File

.clkk

Misc

Clicker Keyboard

.clkt

Misc

Clicker Template

.clkw

Misc

Clicker Word Bank

.clkx

Misc

Clicker Grid Set

.clm

Data

MagicJack Call Log File

.clm

Data

GenePattern CEL Descriptor File

.clp

Data

Windows Clipboard File

.clpi

Video

Blu-ray Clip Information File

.clr

Settings

CryptLoad Router Information File

.clr

Misc

Flash Color Set

.cls

Developer

Program Class File

.clx

Encoded

Ceelox SecureMail Secure Message

.cm

Game

CLEO Custom Mission

.cm

Settings

Cable Modem Configuration File

.cm2

3D Image

Poser Camera Set File

.cmbl

Data

Logger Pro Data File

.cmd

Executable

Windows Command File

.cmf

Audio

Creative Music Format

.cmm

Misc

Corel Multimedia Manager Album

.cmp

3D Image

Solid Edge Wire Harness File

.cmp

Vector Image

Generic CADD Component File

.cms

Web

Content Management System

.cmx

Vector Image

Corel Metafile Exchange Image File

.cmz

3D Image

Compressed Poser Camera Set File

.cna

Data

Catena Project File

.cnc

Misc

CNC Machine Tool Path

.cnf

Settings

Telnet Configuration File

.cnt

System

Help Contents File

.cnv

Vector Image

Canvas 6-8 Drawing File

.cob

Developer

COBOL Source Code File

.cod

Developer

Compiled Source Code

.col

Game

Grand Theft Auto Collision File

.colorpicker

Plugin

Color Picker Plugin

.com

Executable

DOS Command File

.comicdoc

Page Layout

Comic Life Document

.component

Plugin

Mac OS X System Component

.con

Web

Concept Application Source File

.conf

Settings

Unix Configuration File

.config

Developer

Configuration File

.contact

Data

Windows Contact File

.copy

Audio

Sony Ericsson Protected Content File

.cor

Data

Trimble Corrected SSF File

.cox

Plugin

Click & Create Extension

.cp

Developer

Captivate Source File

.cp

Developer

Xcode C++ Source File

.cp3

Misc

Grand Prix 3 Cockpit Shape File

.cp9

Compressed

ChoicePoint Encrypted File

.cpc

Raster Image

CPC Compressed Image File

.cpd

Raster Image

Compressed PhotoDefiner Image File

.cpg

Raster Image

Manga Studio Page File

.cpg

Game

StarCraft Campaign File

.cpgz

Compressed

Compressed CPIO Archive

.cph

Page Layout

Corel Print House File

.cpi

System

Codepage Information File

.cpi

Video

AVCHD Video Clip Information File

.cpio

Encoded

Unix CPIO Archive

.cpl

System

Windows Control Panel

.cpmz

Data

Miradi/ConPro Project File

.cpp

Developer

C++ Source Code File

.cpr

Audio

Cubase Project

.cps

Raster Image

Corel Photo House File

.cpt

Misc

Pocket Slides Presentation

.cpt

Encoded

Ccrypt Encrypted Archive

.cpt

Audio

DTS Compact Audio File

.cpt

Compressed

Compact Pro Archive

.cpt

Image

Corel Photo-Paint Document

.cpx

Raster Image

Corel CMX Compressed File

.cpx

Settings

Oracle ADF Binding Context File

.cpx

Game

Rise of Rome Campaign File

.cpy

Page Layout

eCopy Desktop File

.cr2

3D Image

Poser Character Rigging File

.cr2

Raster Image

Canon Raw Image File

.crash

System

Mac OS X Crash Log File

.crc

Misc

Total Commander Checksum File

.crd

Text

Guitar Tabs

.crd

Data

Windows Cardfile

.crt

Web

Security Certificate

.crtx

Data

Office 2007 Chart Template File

.crw

Raster Image

Canon Raw CIFF Image File

.crwl

Text

Windows Crawl File

.crx

Plugin

Chrome Extension

.crz

3D Image

Compressed Poser Character Rigging File

.cs

Developer

C Sharp Source Code File

.cs

Game

CLEO Custom Script

.csa

Data

PNA Code Calset File

.csd

Page Layout

Compact Shared Document

.csf

Raster Image

Content Secure Format

.csf

Settings

Photoshop Color Settings

.csh

Executable

C Shell Script

.csh

Misc

Photoshop Custom Shapes File

.csh

Audio

Cubase Waveform File

.csi

Developer

ContentServ Include File

.csi

Developer

EdLog Program Data File

.csm

3D Image

Character Studio Marker File

.cso

Disk

Compressed ISO Disk Image

.csp

Web

Concept Server Page

.csproj

Developer

Visual Studio C# Project

.csr

Web

Certificate Signing Request File

.css

Web

Cascading Style Sheet

.cst

Developer

ContentServ Template

.csv

Data

Comma Separated Values File

.ct

Raster Image

Scitex Continuous Tone File

.ct

Game

Cheat Engine Cheat Table

.ctb

Settings

AutoCAD Color-Based Plot Style File

.ctf

Misc

AVG Update Control File

.ctf

Data

WhereIsIt Catalog

.ctf

Misc

Content Transformation File

.ctg

Misc

Canon Digital Camera Catalog File

.ctl

Developer

Visual Basic UserControl Object File

.ctm

Data

CrazyTalk Model File

.ctm

Game

Star Wars Republic Commando Map File

.ctp

Developer

CakePHP Template

.ctt

Data

Messenger Contact List

.ctx

Developer

Visual Basic Control Binary File

.cty

Game

SimCity City File

.cue

Disk

CDRWin Cue Sheet

.cue

Disk

Cue Sheet File

.cui

Settings

AutoCAD Custom Workspace File

.cur

System

Windows Cursor

.cursorfx

Data

CursorFX Theme File

.curxptheme

Data

CursorXP Theme File

.cut

Image

Dr. Halo Bitmap Image File

.cv5

Vector Image

Canvas 5 Drawing File

.cva

Settings

HP Systems Software Manager Information File

.cvc

Video

cVideo

.cvd

Data

ClamAV Virus Definitions File

.cvg

Vector Image

Calamus Vector Graphic File

.cvi

Vector Image

Canvas Image Format

.cvi

Raster Image

CassiniVision Map Image File

.cvn

Data

CineVision Encoding Session

.cvs

Vector Image

Canvas 4 Drawing File

.cvx

Vector Image

Canvas 9 Image File

.cwf

Settings

CorelDRAW Workspace File

.cwk

Data

ClarisWorks Document

.cwp

Audio

Cakewalk SONAR Project

.cws

Data

Claris Works Template

.cwz

Data

Circuit Wizard File

.cxt

Data

Director Protected Cast File

.cyi

Text

Clustify Input File

.cyo

Data

Clustify Output File

.cys

Data

Clustify Summary File

.cyw

Executable

Rbot.CYW Worm File

D File Extensions File types with extensions that start with the letter D. Extension

File Type

File Description

.d

Developer

D Source Code File

.d00

Audio

OPL2 FM Audio File

.d01

Audio

OPL2 FM Audio File

.d2v

Video

DVD2AVI File

.d3v

Video

Datel Video File

.d64

Disk

Commodore 64 Disk Image

.d88

Disk

Toshiba Pasopia 7 Disk File

.da0

Backup

Windows Registry Backup File

.daa

Disk

PowerISO Direct-Access-Archive

.dae

3D Image

Digital Asset Exchange File

.daf

Data

Digital Anchor File

.dal

Misc

Download Accelerator Plus URL List

.dal

Data

DVD-lab Project File

.dam

Data

DeltaMaster Analysis Model

.dao

Disk

Disk at Once CD/DVD Image

.dap

Web

Access Data Access Page

.dap

Misc

Download Accelerator Plus Partial Download

.dar

Compressed

DAR Disk Archive

.das

Data

DeltaMaster Analysis Session

.dat

Video

VCD Video File

.dat

Misc

Exchange E-mail Attachment

.dat

Data

Data File

.data

Data

Analysis Studio Offline Data File

.dav

Video

DVR365 Video File

.dax

Disk

PSP Compressed ISO Disc Image

.db

Data

Database File

.db

Game

X-Ray Engine Database

.db

Misc

Windows Thumbnail Cache

.db2

Data

dBASE II Database

.db3

Data

SQLite Database File

.dba

Backup

Palm Datebook Backup File

.dbb

Settings

Skype User Information File

.dbc

Data

FoxPro Database

.dbd

Data

DemoShield Project

.dbf

Data

FoxPro Table

.dbf

Data

Database File

.dbg

Settings

FoxPro Debugger Configuration

.dbk

Backup

dBASE Database Backup

.dbk

Backup

Sony Ericsson Mobile Phone Backup File

.dbm

Web

ColdFusion Server File

.dbo

Developer

DarkBASIC Object

.dbt

Text

Database Text File

.dbv

Misc

Database Variable Field

.dbx

Data

Visual FoxPro Table

.dbx

Misc

Outlook Express E-mail Folder

.dc

3D Image

DesignCAD Design File

.dc1

Misc

Bloomba E-mail Message

.dc4

Encoded

ViaThinkSoft (De)Coder 4 File

.dcd

Encoded

DisCryptor Encrypted Database

.dcd

3D Image

DesignCAD Drawing

.dce

Video

DriveCam Video

.dcf

Encoded

DisCryptor Encrypted Archive

.dcf

Disk

Disk Copy Fast Disk Image File

.dcf

Audio

DRM Content Format File

.dcf

Data

Document Computation Format

.dck

Video

Resolume Deck File

.dcl

Data

DumpSec Report File

.dcm

Data

DiskCatalogMaker Catalog File

.dcm

Raster Image

DICOM Image File

.dcm

Audio

DCM Audio Module

.dcmd

Data

DiskCatalogMaker Thumbnail-Enabled Catalog

.dco

Encoded

DisCryptor Encrypted Virtual Disk Archive

.dcp

Developer

Delphi Compiled Package

.dcr

Raster Image

Kodak RAW Image File

.dcr

Web

Shockwave Media File

.dcs

Vector Image

Desktop Color Separation File

.dct

Text

FoxPro Database Memo

.dct

Misc

Dictionary File

.dct

Audio

Dictation Audio File

.dctmp

Misc

DC++ Partially Downloaded File

.dcu

Developer

Delphi Compiled Unit

.dcx

Misc

FoxPro Database Index

.dcx

Raster Image

Zsoft Multi-Page Paintbrush File

.dcx

Page Layout

FAXserve Fax Document

.dd

Compressed

DiskDouber Archive

.ddat

Video

DivX Temporary Video File

.ddb

Raster Image

Device Dependent Bitmap

.ddc

Data

DivX Descriptor File

.ddcx

Data

DivX Descriptor 2 File

.ddf

Settings

Diamond Directive File

.ddrw

Image

ClarisDraw Drawing

.dds

Raster Image

DirectDraw Surface

.ddt

Game

Football Manager Keep Player Data File

.ddt

Data

Diagram Designer Template

.ddt

Audio

Jill of the Jungle Music File

.deb

Compressed

Debian Software Package

.dec

Developer

Declaration File

.def

Developer

Module-Definition File

.def

Developer

SmartWare II Data File

.dek

Executable

Eavesdropper Batch File

.dek

Misc

Memorize-It Flashcard Deck

.dem

Data

Digital Elevation Model

.dem

Game

Video Game Demo

.des

3D Image

Corel Designer File

.des

Data

QuickBooks Forms Template

.des

3D Image

Pro/DESKTOP CAD File

.design

Vector Image

Microsoft Expression Design Drawing

.desklink

System

Desktop Shortcut

.desktop

Misc

Desktop Entry File

.dev

Developer

Dev-C++ Project File

.dev

System

Windows Device Driver File

.dewf

Audio

SoundEdit Recorded Instrument

.dex

Developer

Dalvik Executable File

.dex

Data

Excel Spreadsheet

.dex

Data

DEXIS Digital X-ray File

.df1

Developer

Omnis Native Datafile

.df2

Audio

Defractor 2 Instrument

.dfc

Audio

Defractor Instrument

.dff

3D Image

RenderWare Model File

.dfm

Developer

Delphi Form

.dfm

Data

Midas ViewPoint Display Form

.dfont

Font

Mac OS X Data Fork Font

.dfp

Plugin

Fusion Plugin File

.dfproj

Data

DVD Flick Project

.dft

Data

Solid Edge Draft Document

.dfx

3D Image

Drafix CAD File

.dgb

Data

FlashCAD Drawing Database

.dgc

Compressed

DGCA File Archive

.dgc

Misc

TurboTax Tax Form

.dgn

Vector Image

MicroStation Design File

.dgs

Text

Dagesh Pro Document

.dhtml

Web

Dynamic HTML file

.dib

Raster Image

Device Independent Bitmap File

.dic

Misc

Dictionary File

.dicproof

Settings

Microsoft Dictionary Proofing File

.dif

Video

Digital Interface Format

.dif

Data

Data Interchange Format

.dig

Audio

Digilink Audio File

.dig

Audio

Sound Designer Audio File

.dii

Data

Summation Batch Load File

.dim

Encoded

DIME File

.dime

Encoded

Direct Internet Message Encapsulation File

.dinfo

Settings

DivX Temporary Video Info File

.dir

Video

Adobe Director Movie

.directory

Settings

KDE Folder View Properties File

.disco

Web

DISCO Discovery Document

.discomap

Web

DISCO Discovery Output File

.disk

Disk

Linux Virtual Hard Disk

.diskdefines

Misc

Linux LiveCD Information File

.dist

Compressed

Mac OS X Distribution Script

.divx

Video

DivX-Encoded Movie File

.diz

Text

Description in Zip File

.djm

Data

Dynojet Map File

.djv

Raster Image

DjVu Image

.djvu

Raster Image

DjVu Image

.dke

Misc

DriveLock FDE Disk Key File

.dl

Game

Zoo Tycoon 2 Data File

.dlc

Encoded

Download Link Container File

.dld

Executable

EdLog Compiled Program

.dlg

Data

Digital Line Graph

.dll

System

Dynamic Link Library

.dll

Web

DLL Dynamic Web Page

.dlm

Misc

Akamai Download Manager File

.dlo

Plugin

3ds Max Plug-in

.dls

Audio

Downloadable Sounds File

.dlv

3D Image

CATIA 4 Export File

.dm

Audio

DRM Delivery Message

.dm2

Data

Toad Data Modeler 2 File

.dm2

Game

Quake 2 Demo File

.dmb

Video

Digital Multimedia Broadcasting File

.dmc

Executable

Medical Manager Script

.dmf

Audio

Delusion Digital Music File

.dmg

Disk

Mac OS X Disk Image

.dml

Web

DynaScript File

.dmo

Data

Derive Demo

.dmo

Data

Movienizer Database File

.dmp

System

Windows Memory Dump

.dms

Disk

Disk Masher Image

.dms

Game

Dream Maker Script

.dmsa

Audio

Music Disc Creator Project File

.dmse

Audio

Sound Editor Project File

.dmsk

Data

DivX Temporary Video Data File

.dmsm

Video

VideoWave Movie Project File

.dmsp

Data

PhotoSuite Project File

.dmss

Video

VideoWave SlideShow Project File

.dm_82

Game

Wolfenstein 1.00 Demo Movie File

.dm_83

Game

Wolfenstein 1.02 Demo Movie File

.dm_84

Game

Wolfenstein 2.06 Demo Movie File

.dna

Backup

CA Backup and Migration Backup File

.dnc

Video

Windows Dancer File

.dnc

Data

Dance Database File

.dne

Text

Netica Text File

.dng

Raster Image

Digital Negative Image File

.dnl

Misc

DNAML eBook File

.do

Web

Java Servlet

.dob

Developer

Visual Basic UserDocument

.doc

Text

Word Document

.doc

Text

WordPad Document

.dockzip

Data

ObjectDock File

.docm

Text

Word Open XML Macro-Enabled Document

.docx

Text

Word Open XML Document

.dol

Game

Gamecube Executable File

.dolphinview

Settings

Dolphin Folder View Settings File

.dot

Page Layout

Word Document Template

.dotm

Text

Word Open XML Macro-Enabled Document Template

.dotx

Text

Word Open XML Document Template

.dov

Backup

Temp File

.download

Web

Partially Downloaded File

.downloadhost

Settings

MSN Download Settings File

.dox

Text

MultiMate Document

.dox

Developer

Doxygen Documentation File

.dox

Developer

Visual Basic Binary UserDocument

.dp1

Data

DataPower Database File

.dpb

Misc

FaxMaster Document

.dpd

Page Layout

Ovation Pro File

.dpg

Video

Nintendo DS Movie File

.dpk

Developer

Delphi Package

.dpl

Developer

Delphi Package Library

.dpm

Plugin

Pro Tools Plugin File

.dpn

Data

Depiction Data File

.dpp

Vector Image

DrawPlus Drawing File

.dpr

Vector Image

Digital InterPlot File

.dpr

Developer

Delphi Project

.dps

Settings

DivX Player 2 Skin File

.dpx

Data

VASCO DIGIPASS File

.dpx

Raster Image

Digital Picture Exchange File

.dqy

Misc

Excel Query File

.dr

Misc

DRM Rights Object

.drc

Misc

DRM Rights Object

.dream

Video

Dream Animated Wallpaper File

.drg

Audio

I-Doser Audio Drug File

.drl

Data

Gerber Drill Rack File

.drm

Settings

Cubase Drum Map File

.drv

System

Device Driver

.drw

Vector Image

DESIGNER Drawing

.drw

Vector Image

Drawing File

.drwdot

Vector Image

SolidWorks Drawing Template

.ds

Executable

TWAIN Data Source

.dsb

Data

Orchida Embroidery File

.dsc

Misc

CoolPix Disk Identification File

.dsd

Data

Diet Studio Data File

.dsf

Audio

Delusion Digital Sound File

.dsf

Vector Image

Designer File

.dsk

Disk

Disk Image

.dsk

Developer

Borland Project Desktop File

.dsk

Data

Simple IDs Database

.dskin

Misc

DockX Skin

.dsm

Audio

Digital Sound Module

.dsn

Settings

Database Source Name File

.dsp

Audio

Dynamic Studio Professional Module

.dsp

Developer

Developer Studio Project

.dss

Audio

Digital Speech Standard File

.dss

System

DCC Active Designer File

.dst

Misc

Embroidery Format

.dstudio

Misc

DownloadStudio Incomplete Download

.dsv

Text

DeSmuME Save File

.dsw

Settings

Visual C++ Workspace File

.dsy

Data

Directory Synchronizer Project File

.dsy

Video

Besta Video File

.dsym

Developer

Xcode Debug Symbols File

.dsz

Data

Orchida (OES) Embroidery File

.ds_store

Settings

Mac OS X Folder Settings File

.dt0

Data

DTED Level 0 File

.dt1

Data

DTED Level 1 File

.dt2

Raster Image

Windows Live Messenger Emoticon Image File

.dt2

Data

DTED Level 2 File

.dta

Data

Chain Engineering Database

.dtd

Developer

Document Type Definition File

.dtd

Data

Design Tools Draw File

.dtm

Audio

DigiTrakker Module

.dtp

Page Layout

Publish-iT Document

.dtr

Data

DATroniC Data Recording

.dts

Audio

DTS Encoded Audio File

.dtshd

Audio

DTS-HD Master Audio File

.dtw

Raster Image

Desktop Wallpaper

.dt_

Misc

Macintosh Data Fork

.dus

Misc

Readiris Font Dictionary

.dv

Video

Digital Video File

.dvd

System

DOS Device Driver

.dvd

Disk

CloneCD DVD Information File

.dvdproj

Data

iDVD Project File

.dvf

Audio

Sony Digital Voice File

.dvi

Text

Device Independent Format File

.dvl

Raster Image

Virtual Library File

.dvo

Data

Cook'n Cookbook File

.dvr-ms

Video

Microsoft Digital Video Recording

.dvx

Video

DivX Video File

.dwc

Misc

Emulex DWC Firmware Update File

.dwd

Audio

DiamondWare Digital Audio File

.dwf

3D Image

Design Web Format File

.dwfx

3D Image

Design Web Format XPS File

.dwg

3D Image

AutoCAD Drawing Database File

.dwi

Data

Dance With Intensity Song File

.dwn

Misc

Firmware Update File

.dwp

Data

DarkWave Studio Project File

.dwt

Web

Dreamweaver Web Page Template

.dwz

Data

Ulead DVD MovieFactory Project File

.dx

Text

DEC WPS Plus File

.dxb

Vector Image

Drawing Exchange Binary

.dxf

3D Image

Drawing Exchange Format File

.dxp

Settings

CDBurnerXP Data Disc Compilation File

.dxr

Video

Protected Macromedia Director Movie

.dxs

Game

Deus Ex Saved Game

.dyc

System

Xerox Printer Driver Configuration File

.dylib

Developer

Mach-O Dynamic Library

E File Extensions File types with extensions that start with the letter E. Extension

File Type

File Description

.e00

Data

ArcInfo Coverage Export File

.e4a

Encoded

Encrypt4all Archive

.eap

Data

Enterprise Architect Project

.ear

Audio

Eyemail Audio Recording

.ebm

Executable

EXTRA! Basic Macro

.ebn

Misc

Philips Firmware Update File

.ebuild

Data

Portage eBuild Script

.ec0

Data

MetroCount Traffic Data File

.ece

Web

Escenic Dynamic Web Page

.ecf

Plugin

Outlook Add-in

.ecf

Executable

SageCRM Component File

.eco

Data

ECCO Database File

.ecs

Compressed

Sony Ericsson Phone Backup File

.ecx

Data

ECCO Corrupted Database File

.eda

Disk

Ensoniq ASR Disk Image

.edb

Data

Exchange Information Store Database

.ede

Disk

Ensoniq EPS Disk Image

.edf

Data

Estimator Data File

.edf

Data

ESRF Data File

.edfx

Data

Estimator.NET Estimate File

.edk

Disk

Ensoniq KT Disk Image

.edq

Disk

Ensoniq SQ1/SQ2/KS32 Disk Image

.edrw

3D Image

SolidWorks eDrawings File

.eds

Disk

Ensoniq SQ-80 Disk Image

.edv

Disk

Ensoniq VFX-SD Disk Image

.eep

Data

EEPROM Data File

.efa

Audio

Ensoniq ASR File

.efe

Audio

Ensoniq EPS File

.efk

Audio

Ensoniq KT File

.efl

Misc

External Format Language File

.efl

Encoded

Encryptafile Encrypted File

.efq

Audio

Ensoniq SQ1/SQ2/KS-32 File

.efr

Encoded

Encryptafile Private Key File

.efs

Audio

Ensoniq SQ-80 File

.eftx

Settings

Office 2007 Theme Effect File

.efu

Encoded

Encryptafile Public Key File

.efv

Audio

Ensoniq VFX-SD File

.efw

Compressed

Renamed Zip or Executable File

.efx

Data

eFax Document

.egg

3D Image

Panda3D Model File

.egm

Game

Enigmo Custom Game File

.egp

Data

Easy Grade Pro Gradebook File

.eix

Game

Metin2 Game Data File

.elf

Game

PlayStation 2 Game Data

.elf

Executable

Playstation Executable File

.elf

Executable

Nintendo Wii Game File

.email

Text

Outlook Express Email Message

.emb

Data

Embroidery Design File

.emb

Data

Everest Embedded Bank File

.emd

Audio

ABT Extended Module

.emd

Data

ChessBase Tablebase

.emerald

System

Emerald Theme

.emf

Vector Image

Enhanced Windows Metafile

.eml

Misc

Outlook Express Saved Mail Message

.emlx

Text

Mail Message

.emlxpart

Data

Mail Message Attachment

.emp

Audio

eMusic Playlist File

.emulecollection Text

eMule Data File

.emx

Audio

eMusic Download File

.emz

Image

Windows Compressed Enhanced Metafile

.enc

Page Layout

Copysafe Protected PDF File

.enc

Encoded

Encoded File

.enc

Data

Electronic Navigation Chart File

.eng

Game

Chess Engine

.ent

Developer

External Entity

.env

Settings

WordPerfect Environment

.enw

Data

EndNote Citation File

.eot

Font

Embedded OpenType Font

.epf

Data

Edgecam Educational Part File

.epi

Compressed

EclipsePackager2000 Compressed File

.epibrw

Web

Web File Location

.epk

Game

Metin2 Game Data Package

.epp

Text

EditPad Pro Project

.epp

Data

TalaPhoto Project

.epp

Data

Efficient PPC Project File

.eps

Vector Image

Encapsulated PostScript File

.epsf

Vector Image

Encapsulated PostScript Format File

.epub

Data

Open eBook File

.epw

Data

EnergyPlus Weather Data File

.eqf

Settings

Winamp Equalizer Preset File

.eql

Developer

Embedded SQL File

.eql

Settings

MathType Settings

.eqn

Misc

WordPerfect Equation

.eqp

Settings

MathType Preferences

.er1

Data

ERWin Entity Relationship Diagram

.erb

Game

Evil Genius Resource File

.erf

Raster Image

Epson RAW File

.err

Text

FoxPro Compilation Error

.err

Text

Error Log File

.es

Executable

SageCRM Script File

.esg

Game

Enigmo Saved Game File

.esh

Executable

Extended Shell Batch File

.esp

Data

ACD/Labs Dataset

.esproj

Web

Espresso Project File

.esps

Audio

ESPS Sampled Data File

.ess

Data

EasySpreadsheet Spreadsheet

.est

Data

Construction Cost Estimate File

.est

Data

Streets & Trips Map File

.esx

Data

Xactimate Insurance Claims Estimate

.et

Data

Easiteach Lesson File

.eta

Data

Google Earth Placemark File

.etd

Data

Adobe Reader EBX Transfer Data File

.etf

Text

ENIGMA Transportable File

.etl

Data

Microsoft Event Trace Log File

.etx

Text

Structure Enhanced Text (Setext) File

.euc

Text

Extended Unix Code File

.eui

Disk

Ensoniq EPS Compacted Disk Image

.eum

Settings

Enterprise User Monitor Configuration File

.ev

Data

Echoview File

.ev3

Settings

Everlock Options File

.ev3

Data

Team Manager Meet Event File

.evo

Video

HD DVD Video File

.evt

Data

Windows Event Viewer Log File

.evy

Data

Envoy File

.ex

Developer

Euphoria Source Code

.ex4

Executable

MetaTrader Program File

.exd

Misc

Control Information Cache File

.exe

Executable

Windows Executable File

.exe

Executable

PortableApps.com Application

.exe4j

Settings

Exe4j Configuration File

.exif

Data

Exchangeable Image Information File

.exopc

Executable

ExoPC Application

.exp

Data

Export File

.exp

Settings

SonicWALL Preference File

.exp

Data

Aurora Expert Trace File

.exp

3D Image

CATIA 4 Export File

.exs

Game

Blades of Exile Scenario

.ext

Misc

Norton Commander Extension

.exx

Data

IBM Linkway MsgPut File

.eyb

Misc

Microsoft Encarta Yearbook Update File

.eye

Video

Eyemail Video Recording File

.ezs

Executable

EZ-R Stats Batch Script

.ezt

Executable

EZT Malicious Worm File

.ezw

Misc

easyOFFER Real Estate Form File

F File Extensions File types with extensions that start with the letter F. Extension

File Type

File Description

.f

Developer

Fortran Source Code

.f

Compressed

Freeze Compressed File

.f2r

Audio

Farandoyle Linear Module File

.f32

Audio

Raw 32-Bit Audio File

.f3r

Audio

Farandoyle Blocked Module File

.f4v

Video

Flash MP4 Video File

.f64

Audio

Raw 64-Bit Audio File

.f90

Developer

Fortran 90 Source File

.fa

Data

FASTA Formatted Sequence File

.fac

Image

FACE Graphic

.face

Image

FACE Graphic

.fal

Raster Image

Bitmap Graphic Header Information

.faq

Text

Frequently Asked Questions Document

.far

Audio

Farandole Composer Module

.far

Game

The Sims Archive File

.fas

Executable

Compiled Fast-Load AutoLISP File

.fas

Executable

QuickSilver Fast Save Lisp File

.fasta

Data

FASTA Sequence File

.fat

Settings

Zinf Theme File

.fax

Raster Image

Fax Document

.fb2

Text

FictionBook 2.0 File

.fbc

Backup

Family Tree Maker for DOS Backup File

.fbf

Backup

Free Backup Fix Backup File

.fbk

Backup

Family Tree Maker for Windows Backup File

.fbk

Backup

Microsoft Dynamics NAV Backup File

.fbl

Text

CADfix Command Level Log File

.fbl

Data

iGO Map File

.fbm

Image

Fuzzy Bitmap

.fbp

Developer

wxFormBuilder Project

.fbr

Video

FlashBack Screen Recording

.fbu

Backup

FEBE Firefox Backup File

.fbw

Backup

HP Recovery Manager Backup File

.fbx

3D Image

Autodesk FBX Interchange File

.fbz

Video

FlashBack Screen Recorder Movie

.fc2

3D Image

Poser Face Pose File

.fc2map

Game

Far Cry 2 User Map

.fcc

Settings

Forms Credential Collector File

.fcd

Vector Image

FastCAD DOS Drawing

.fcd

Disk

Virtual CD Format

.fcd

Data

First Choice Database

.fcp

Video

Final Cut Project

.fcs

Data

First Choice Spreadsheet

.fcw

3D Image

FastCAD Windows Drawing

.fcz

3D Image

Compressed Poser Face Pose File

.fd

Developer

DataFlex Data File

.fd

Settings

LaTeX Font Definition File

.fd2

Page Layout

PictureMate Borders File

.fdb

Data

Portfolio Catalog

.fdb

Data

Art Explosion Catalog

.fdb

Data

Microsoft Dynamics NAV Database File

.fdd

Disk

Parallels Desktop Floppy Disk Image File

.fdf

Text

Acrobat Forms Data Format

.fdi

Disk

Amiga Disk Image

.fdp

Compressed

MySafe Encrypted Data

.fdr

Text

Final Draft Document

.fdr

Misc

Windows Error Report File

.fds

Text

Final Draft Secure Copy

.fdx

Text

Final Draft Document

.fes

Text

Fileless Occurrence Placeholder

.fev

Settings

FLAMES Environment Variable File

.ff

Game

Call of Duty 4 Fast File

.ffa

System

Find Fast Status File

.ffd

Data

Flat File Description

.fff

Audio

Gravis UltraSound Sound Bank

.ffil

Font

Mac Font Suitcase

.ffl

System

Find Fast Document List

.ffo

System

Find Fast Document Properties Cache

.fft

Text

Final Form Text File

.ffwp

Data

FormsForWeb Packet

.ffx

System

Microsoft Find Fast Index

.fgd

Game

Forge Game Data File

.fgl

Developer

Fifth Generation Language Source File

.fh10

Vector Image

FreeHand 10 Drawing File

.fh11

Vector Image

FreeHand 11 Drawing File

.fh7

Vector Image

FreeHand 7 Drawing File

.fh8

Vector Image

FreeHand 8 Drawing File

.fh9

Vector Image

FreeHand 9 Drawing File

.fhc

Data

FHC Data File

.fhd

Image

FreeHand Drawing File

.fic

Developer

WINDEV Hyper File Database

.fid

Data

File Expander Engine Descriptions Database

.fif

Vector Image

Fractal Image File

.fig

Vector Image

Xfig Drawing

.fil

Raster Image

Symbian Application Logo File

.fil

Data

Files List Object File

.file

Misc

Generic Windows File

.fits

Image

Flexible Image Transport System

.fky

Executable

FoxPro Macro

.fl

Game

Freelancer Saved Game File

.fla

Developer

Adobe Flash Animation

.flac

Audio

Free Lossless Audio Codec File

.flame

Data

Fractal Flame File

.flc

Video

FLIC Animation

.flf

Misc

Microsoft Dynamics NAV License File

.flh

Video

FLIC Animation File

.fli

Video

FLIC Animation

.fll

Data

FoxPro Dynamic-Link Library

.flo

Data

iGrafx FlowCharter File

.flo

Data

RFFlow Flowchart File

.flp

Audio

FruityLoops Project

.flp

Misc

Flash Project

.flp

Disk

Floppy Disk Image

.flp

Data

Activprimary Flipchart File

.flr

Text

Flare Decompiled ActionScript File

.fls

Misc

ArcView GIS Windows Help Supporting File

.fls

Audio

Flash Lite Sound Bundle

.flt

Data

Flight Simulator Saved Flight

.flt

Plugin

Adobe Audition Filter

.flt

Plugin

Image Filter

.flv

Video

Flash Video File

.flx

3D Image

FelixCAD Drawing

.flx

Video

FLIC Animation

.fm

Data

FileMaker Spreadsheet

.fm

Page Layout

FrameMaker Document

.fm5

Data

FileMaker 5 Database

.fml

Game

WWE RAW Character File

.fmp

Web

123 Flash Menu Project

.fmp

Data

FileMaker Pro Database

.fmt

Settings

FoxPro Format File

.fmv

Vector Image

Frame Vector Metafile

.fmx

Plugin

FileMaker Plug-in

.fnc

Settings

Frogans Player Network Certificate

.fnc

Misc

QuickCAM 3D CNC File

.fnt

Font

Windows Font File

.fnta

Game

Aleph One Font File

.fo

Data

XSL-FO Form

.fob

Data

Dynamics NAV Object Container File

.fol

Data

PFS First Choice Database File

.fon

Font

Generic Font File

.fop

Data

InfoZoom Protected Data File

.for

Developer

Fortran 77 Source File

.forge

Game

Assassin's Creed Game Data File

.fox

Data

InfoZoom Data File

.fp

Data

FileMaker Pro Spreadsheet

.fp3

3D Image

FloorPlan 3D Design File

.fp3

Data

FileMaker Pro 3 Database

.fp4

Data

FileMaker Pro 4 Database

.fp5

Data

FileMaker Pro 5 Database

.fp7

Data

FileMaker Pro 7+ Database

.fpa

Developer

Front Panel Encrypted Order File

.fpbf

System

Mac OS X Burn Folder

.fpd

Developer

Front Panel Order File

.fpe

3D Image

FPS Creator Entity File

.fpenc

Encoded

FileProtect Encrypted File

.fpf

3D Image

IKEA Home Planner File

.fpfv

Misc

File Protected From Virus

.fpg

Game

FPS Creator Game Project File

.fpi

Executable

FPS Creator Intelligence Script

.fpid

Game

FPS Creator AI Wizard Data File

.fpk

Misc

JetForm FormFlow File

.fpm

Game

FPS Creator Map File

.fpm

Developer

FPS Creator Map File

.fpmb

Game

FPS Creator Mab Buffer File

.fpmo

Game

FPS Creator Map Overlay File

.fpp

Developer

Front Panel Project

.fpp

Game

FPS Creator Prefab File

.fpp

Developer

Fortran Source Code

.fps

Game

FPS Creator Segment File

.fpsl

Data

FileMaker Pro Snapshot Link

.fpt

Text

FileMaker Pro Database Memo File

.fpt

Text

FoxPro Table Memo

.fpx

Raster Image

FlashPix Bitmap Image File

.framework

Developer

Mac OS X Application Framework

.frc

Game

FS Recorder File

.frk

Misc

Macintosh Resource or Data Fork

.frl

Data

Electronic Form Loader

.frm

Data

ADL Form

.frm

Developer

Visual Basic Text Form

.frm

Misc

Form File

.frm

Data

MySQL Database Format File

.fro

Data

dBASE IV Compiled Report

.frs

Executable

Flash Renamer Script

.frt

Text

FoxPro Report Memo

.frx

Developer

Visual Basic Binary Form

.frx

Data

FoxPro Report

.frz

Misc

Locked FormFlow File

.frz

Game

Snes9x Saved State

.fs

Image

FlexiSIGN Document

.fs

Plugin

Mac OS X File System Plug-in

.fs2

Game

FreeSpace 2 Saved Mission File

.fsb

Data

FMOD Sample Bank File

.fsc

Data

Practical Scriptwriter File

.fsg

Game

FreeCol Saved Game File

.fsm

Game

FreeSpace Mission File

.fsm

Audio

Farandole Composer WaveSample File

.fsm

Encoded

Splitty Master Split File

.fsproj

Developer

FireStarter Project File

.fss

Encoded

Splitty Data Split File

.fst

Game

Crazy Machines 2 Object File

.ft

Settings

Edgecam Feature Template

.ft10

Vector Image

FreeHand 10 Drawing Template

.ft11

Vector Image

FreeHand 11 Drawing Template

.ft7

Vector Image

FreeHand 7 Drawing Template

.ft8

Vector Image

FreeHand 8 Template

.ft9

Vector Image

FreeHand 9 Drawing Template

.ftg

System

Full Text Group

.ftil

Misc

e-Hastakshar Contract Note

.ftm

Data

Family Tree Maker for DOS File

.ftploc

Misc

FTP Location

.fts

System

Full Text Search

.ftw

Data

Family Tree Maker File

.ful

Backup

Microsoft Backup File List

.fw

Misc

Firmware Update File

.fwt

Settings

FacetWin Configuration File

.fx

3D Image

Direct3D Effects File

.fxb

Plugin

VST Audio Plug-in

.fxc

Text

FilePackager Configuration

.fxg

Vector Image

Flash XML Graphics File

.fxm

Page Layout

WinFax Document

.fxp

Plugin

VST Audio Plug-in

.fxp

Executable

FoxPro Compiled Source

.fxt

Plugin

Finale Plug-in

.fzb

Audio

Casio FZ-1 Bank Dump

.fzf

Audio

Casio FZ-1 Full Dump

.fzip

Plugin

Foxit Reader Add-on

.fzv

Audio

Casio FZ-1 Voice Dump

G File Extensions File types with extensions that start with the letter G. Extension

File Type

File Description

.g

3D Image

BRL-CAD Geometry File

.g3x

Game

RealFlight Content File

.g721

Audio

G.721 Audio File

.g723

Audio

G.723 Audio File

.g726

Audio

G.726 Audio File

.gadget

Executable

Windows Gadget

.gam

Game

Saved Game File

.game

Game

Apple Chess Saved Game

.gan

Data

GanttProject Project File

.gau

Misc

Flight Simulator Gauge File

.gb

Game

Game Boy ROM File

.gb1

Backup

Game Maker Backup File

.gba

Game

Game Boy Advance ROM

.gbc

Game

Game Boy Color ROM

.gbi

Disk

gBurner Project File

.gbr

Data

Gerber File

.gbx

Game

Nadeo Game File

.gbx

Misc

Gerber PCB File

.gc

Data

GraphClick File

.gca

Compressed

GCA File Archive

.gcd

Vector Image

Generic CADD Drawing File

.gcd

Disk

Prassi CD Image

.gcf

Game

Game Cache File

.gci

Game

GameCube Save File

.gcm

Game

Game Cube ROM

.gcs

Game

GameCube SharkSave File

.gcx

Data

Grapher Graph File

.gdb

Data

InterBase Database File

.gdr

Font

Symbian OS Font File

.gds

Image

Graphic Design System

.ged

Developer

Game Editor Project File

.ged

Data

GEDCOM Genealogy Data File

.gedcom

Data

GEDCOM Genealogy File

.gem

Developer

RubyGems Package

.gem

Page Layout

Ventura Publisher Document

.gem

Vector Image

GEM Metafile

.gen

Data

ArcView ARC/INFO UnGenerate file

.geo

3D Image

VRML Geography File

.gfb

Raster Image

GIFBlast Compressed Image File

.gg

Misc

Google Desktop Gadget File

.ggb

Data

GeoGebra Document

.gho

Backup

Norton Ghost Backup File

.ghs

Backup

Norton Ghost Image Segment

.gi

Disk

Global Image

.gi

Disk

RecordNow! CD Image

.gid

Settings

Windows Help Index File

.gif

Raster Image

Graphical Interchange Format File

.gig

Audio

Tascam GigaSampler File

.gim

Raster Image

PlayStation Portable Image File

.gin

Settings

GEMS Engine Control Unit File

.gio

Text

Adagio Score

.gio

Text

Nyquist MIDI File

.gkh

Disk

Ensoniq EPS Family Disk Image

.gks

Image

Graphics Kernel System

.gl

Video

GRASP Animation

.glade

Developer

Glade Project File

.global

Developer

Global Makefile

.gls

Developer

GLScript Game Script

.gly

Misc

Word Glossary File

.gm6

Developer

Game Maker 6 Project File

.gmd

Developer

Game Maker Program Code

.gmf

Image

Geology Multi-File

.gmk

Developer

Game Maker 7 File

.gml

Developer

Game Maker Language File

.gml

Data

Geography Markup Language File

.gmo

Developer

GNU Machine Object File

.gmres

Game

Game Maker Resource File

.gms

Data

Gesture and Motion Signal File

.gmv

Game

Gens Game Recording

.gne

Web

Flickr Web Page

.gno

Data

GenoPro Genealogy Tree File

.gnp

Data

GNPeak Output File

.gorm

Developer

Gorm Interface Resource File

.gp3

Data

Guitar Pro 3 File

.gp4

Misc

CCITT Group 4 Fax File

.gp4

Misc

Guitar Pro 4 Tablature

.gp5

Audio

Guitar Pro 5 Tablature File

.gpd

Raster Image

Graphic PhotoDefiner Image File

.gpe

Executable

GP2X Video Game

.gpg

Misc

GNU Privacy Guard Public Keyring

.gpi

Data

Garmin Point of Interest File

.gpk

Audio

WaveLab Audio Peak File

.gpn

Text

GlidePlan Map Document

.gps

Data

Survey Pro Coordinate File

.gps

Settings

GenePix Settings File

.gpu

Executable

GP2X Utility Program

.gpx

Data

GPS Exchange File

.gr2

Game

Granny 3D File

.gra

Data

Microsoft Graph File

.grade

Data

GradeStat Document

.graffle

Image

OmniGraffle Drawing

.grasp

Video

GRASP Animation

.grd

Settings

Photoshop Gradient File

.grf

Game

Ragnarok Client Archive

.grf

Data

Generic Graph File

.grf

Data

DPlot Graph File

.grib

Data

Gridded Binary File

.grk

Data

Gradekeeper Class Gradebook File

.grl

System

Windows Update Status File

.grn

3D Image

Granny 3D File

.gro

Raster Image

Graphic Object Bitmap

.grob

Raster Image

Graphic Object Bitmap File

.growlregdict

Misc

Growl Temp File

.growlticket

Settings

Growl Notification File

.grp

Game

StarCraft Graphics Group File

.grp

System

Windows Program Manager Group

.grr

Data

Gradekeeper Class Roster File

.grv

Data

Office Groove File

.gry

Image

Grayscale Image

.gs

Data

GemStone Document

.gs3

Developer

GameStarter File

.gsd

Text

Generic Station Description File

.gsd

Vector Image

Graphtec Vector Graphics File

.gsm

Audio

Global System for Mobile Audio File

.gsm

3D Image

Graphic Description Language File

.gsm

Audio

US Robotics GSM Audio File

.gsp

Web

IMail Error Message File

.gsp

Misc

Geometer's Sketchpad File

.gst

Data

MapInfo Geoset File

.gthr

Text

Gather Log File

.gtp

Data

Guitar Pro File

.gtp

Settings

GNOME Theme Package File

.gts

Video

CaptiveWorks PVR Video File

.gv

Text

GraphcViz DOT File

.gvi

Video

Google Video File

.gvp

Video

Google Video Pointer

.gwi

Settings

GroupWise Database Shortcut File

.gwk

Data

GraphiCode PCB Job File

.gwp

Data

Greetings Workshop Project File

.gws

Settings

GeoMedia GeoWorkspace File

.gxc

Vector Image

General CADD Pro Component

.gxd

Vector Image

General CADD Pro Drawing

.gxl

Data

Graph Exchange Language File

.gxt

Settings

Grand Theft Auto Text File

.gz

Compressed

Gnu Zipped Archive

.gzi

Compressed

Unix Gzip File

.gzip

Compressed

Gnu Zipped File

H File Extensions File types with extensions that start with the letter H. Extension

File Type

File Description

.h

Developer

C++ or Java Header File

.h1q

Misc

Microsoft Help Merged Query Index File

.h3m

Game

Heroes 3 Map File

.h4r

Game

Heroes of Might and Magic IV Data File

.ha

Compressed

HA Compressed Archive

.hal

Developer

HansaWorld Application Language File

.ham

Game

Descent 2 Resource File

.has

Developer

Haskell Script

.hbc

Compressed

HyperBac Compressed Archive

.hbc2

Compressed

HyperBac Compressed File Archive

.hbe

Compressed

HyperBac Compressed and Encrypted Archive

.hbx

Encoded

BinHex Encoded File

.hcc

Data

HydroCAD Prefab Chamber Data File

.hce

Data

HydroCAD Hydrograph Data File

.hci

Data

HydroCAD IDF Data File

.hcp

Data

HydroCAD Project File

.hcr

Data

HydroCAD Rainfall Curve Data File

.hcr

Page Layout

Half-Fold Card File

.hcu

Data

Hydrograph Units Definitons File

.hcx

Image

ChartXL Chart

.hd2

3D Image

Poser Hand Pose File

.hda

Data

HotDocs Auto-Assemble File

.hdb

Data

HansaWorld Database File

.hdd

Disk

Parallels Desktop Hard Disk File

.hdf

Data

Hierarchical Data Format File

.hdi

Data

HotDocs Auto-Install File

.hdl

Data

HotDocs Library

.hdm

Web

HDML File

.hdml

Web

Handheld Device Markup Language File

.hdmov

Video

QuickTime HD Movie File

.hdmp

System

Windows Heap Dump

.hdp

Raster Image

HD Photo File

.hdr

Raster Image

High Dynamic Range Image File

.hdz

3D Image

Compressed Poser Hand Pose File

.hex

Misc

Hexadecimal Source File

.hex

Encoded

BinHex Encoded File

.hf

Image

HF Image

.hgl

Misc

HP Graphics Language File

.hh

Developer

C++ Header File

.hhc

System

HTML Help Table of Contents

.hhh

Developer

Power C Precompiled Header File

.hhk

System

HTML Help Index

.hhsl

Game

Hockey High Score List File

.hht

Text

Help and Support Center HHT File

.hid

Settings

Sony Ericsson Remote Settings File

.hif

Data

Quicken Online File

.hip

Image

Houdini Project File

.hipnc

Image

Houdini Apprentice File

.his

Misc

FindinSite Database Definition File

.hit

Game

The Sims Sound File

.hki

Compressed

WinHKI Archive

.hki1

Compressed

WinHKI HKI1 Archive

.hki2

Compressed

WinHKI HKI2 Archive

.hki3

Compressed

WinHKI HKI3 Archive

.hkm

Video

Havok Movie File

.hl

Data

HeuristicLab Storage File

.hlb

Misc

VMS / VAX Help Library

.hlp

System

Windows Help File

.hlx

Misc

ATI Radeon Video Driver Support File

.hm3

Misc

Help & Manual 3 Project

.hma

Audio

Sony HI-MD Audio File

.hme

Settings

Windows Mobile Theme File

.hmk

Page Layout

Hallmark Card Studio File

.hml

Data

HostMonitor TestList File

.hms

Executable

HostMonitor Script File

.hmt

Data

HighMAT File

.hmx

Misc

Help & Manual 4 Project

.hog

Game

Descent Mission File

.hot

Game

The Sims Sound File

.hpf

Developer

High Performance Fortran File

.hpf

Executable

HP9100A Program File

.hpg

Vector Image

HPGL Plot File

.hpgl

Vector Image

HP Graphics Language Plotter File

.hpi

Raster Image

Hemera Photo Objects Image File

.hpj

System

Help Project File

.hpk

Compressed

HPack Compressed Archive

.hpl

Vector Image

HP-GL Plotter File

.hpp

Developer

C++Builder Header File

.hqx

Encoded

BinHex 4.0 Encoded File

.hr

Image

TRS-80 Graphic

.hr2

3D Image

Poser Hair File

.hrf

Image

Hitachi Raster Format

.hrz

3D Image

Compressed Poser Hair File

.hs

Text

Java HelpSet File

.hs

Developer

Haskell Script

.hs

Misc

Motorola Flash Flex File

.hs2

Data

HyperRESEARCH 2 Study File

.hsk

Data

Huskey Truss & Building Supply Import File

.hst

Data

History File

.hta

Executable

HTML Application

.htaccess

Web

Apache HTACCESS File

.htc

Text

HTML Component File

.htg

Data

HackTheGame Mission Pack

.htm

Web

Hypertext Markup Language File

.html

Web

Hypertext Markup Language File

.htt

System

Hypertext Template File

.htx

Web

HTML Extension File

.htz4

Page Layout

HyperMaker Publication

.huh

Data

HydroCAD Unit Hydrograph Definitions File

.hus

Misc

Husqvarna Embroidery File

.hwp

Text

Hangul (Korean) Text Document

.hxm

Game

Descent 2 Resource Modification

.hxs

Web

Help 2 Compiled Help File

.hyp

Compressed

HYPER Compressed Archive

.hyv

Data

Team Manager Meet Event File

.hz

Text

Chinese (Hanzi) Text

I File Extensions File types with extensions that start with the letter I. Extension

File Type

File Description

.i

Developer

INTERCAL Source File

.i00

Disk

DVD Shrink Part 1 File

.i01

Disk

DVD Shrink Part 2 File

.i02

Disk

DVD Shrink Part 3 File

.i5z

Data

IUCLID 5 Import/Export File

.iaf

Settings

Microsoft Outlook Settings File

.iam

3D Image

Inventor Assembly File

.ib

Data

InterBase Database

.ibp

Disk

IsoBuster Managed Image Information File

.ibq

Disk

IsoBuster Managed Image File

.ibt

Game

Texture and Model File

.ic1

Image

Low Resolution Imagic Graphic

.ic2

Image

Medium Resolution Imagic Graphic

.ic3

Image

High Resolution Imagic Graphic

.ica

Settings

Citrix ICA File

.ica

Image

Image Object Content Architecture (IOCA) File

.icap

Page Layout

InCopy Package File

.icb

Image

Targa ICB Bitmap Image

.icc

Settings

ICC Profile

.icd

Executable

SafeDisc Encrypted Program

.icd

Settings

Installable Client Driver File

.ice

Compressed

ICE File Archive

.icl

System

Windows Icon Library File

.icm

Settings

Image Color Matching Profile

.icma

Misc

InCopy Assignment File

.icml

Page Layout

InCopy Document

.icn

Raster Image

Windows Icon File

.icns

System

Mac OS X Icon Resource File

.ico

System

Icon File

.icon

Raster Image

Icon Image File

.iconpackage

Settings

IconPackager Theme File

.icontainer

Misc

CandyBar iContainer File

.ics

Audio

IC Recorder Sound File

.ics

Data

iCalendar File

.ics

3D Image

IronCAD 3D Drawing File

.id

Misc

Lotus Notes User ID File

.id2

Data

Windows Live Messenger Emoticon File

.idap

Page Layout

InDesign Assignment Package

.idb

Developer

Visual Studio Intermediate Debug File

.idc

Web

Internet Database Connector File

.idf

Settings

MIDI Instrument Definition File

.idlk

Misc

InDesign Lock File

.idml

Page Layout

InDesign Markup Language File

.idms

Page Layout

InDesign Snippet

.idw

Image

Inventor Drawing

.idx

Data

Navigation POI File

.idx

Data

HMI Historical Log Index File

.idx

System

Index File

.idx

Text

Outlook Express Mailbox Index File

.idx0

Game

Runescape Cache Index File

.idx255

Game

Runescape Cache File

.ies

Data

IES Photometric Data File

.ifc

3D Image

Industry Foundation Classes File

.iff

Image

Amiga IFF Graphic

.iff

Audio

Interchange File Format

.ifo

Video

DVD-Video Disc Information File

.igc

Data

Anime List Builder Input File

.iges

3D Image

IGES File

.igr

Settings

Quest3D Channel Group Layout File

.igs

3D Image

IGES Drawing File

.ihw

Settings

IN-HEH Timeline Workspace

.ihx

Data

IN-HEH Timeline Database

.ii

Data

Axialis IconWorkshop Extended Information File

.iif

Data

Intuit Interchange Format File

.iil

Text

CleanSweep Installation Log

.iim

Executable

iMacro Macro File

.iip

Settings

ThinAnywhere Configuration File

.iip

Settings

Install Creator Pro Settings File

.iit

Settings

Install Creator Settings File

.iix

Misc

Translation Memory Index File

.ilbm

Image

Deluxe Paint Graphic

.ildoc

Page Layout

QuickSilver Document

.ima

Disk

Disk Image

.image

Disk

Apple Disk Image

.imapmbox

Text

IMAP Mailbox

.imf

Audio

Id Music File

.img

Disk

CloneCD Disk Image Data File

.img

Data

Garmin Map File

.img

Raster Image

GEM Image

.img

Disk

Macintosh Disk Image

.imga

Game

Aleph One Image File

.imj

Raster Image

JFIF Bitmap Image

.iml

Developer

IntelliJ IDEA Module

.iml

Misc

ACT! Internet Mail Message

.imovieproj

Video

iMovie Project File

.imovieproject Video

iMovie Project

.imp

Audio

Audition Impulse File

.imt

Data

My Time Data File

.imy

Misc

iMelody Ringtone File

.in

Misc

Spyware File

.inc

Developer

Include File

.inca

Misc

InCopy CS3 Assignment File

.incp

Data

InCopy CS3 Package File

.inct

Page Layout

InCopy Template

.incx

Page Layout

InCopy CS3 Interchange File

.ind

Page Layout

InDesign Document

.ind

Misc

Memory Stick Formatting File

.indd

Page Layout

Adobe InDesign File

.indl

Page Layout

InDesign Library

.indp

Page Layout

InDesign CS3 Package File

.inds

Page Layout

InDesign Snippet File

.indt

Page Layout

InDesign Template

.inetloc

Misc

Internet Location

.inf

Settings

Setup File or Installer Script

.info

Raster Image

ZoomBrowser Image Index File

.ing

Misc

MasterCook Ingredients File

.ini

Settings

Gravis UltraSound Bank Setup File

.ini

Settings

Windows Initialization File

.ini

Settings

Symbian OS Configuration File

.ink

Raster Image

Pantone Reference File

.ink

Vector Image

Pocket PC Handwritten Note

.ink

Data

Mimio Ink Data File

.inm

Misc

FaxMaster Document

.inp

Data

ABAQUS Input File

.ins

Audio

Ensoniq Instrument

.ins

Audio

Sample Cell II Instrument Definition File

.ins

Data

Inspiration File

.ins

System

Internet Naming Service File

.int

Raster Image

SGI Integer Image

.inx

Page Layout

InDesign Interchange File

.inx

Executable

Compiled Script

.ion

System

4DOS File Description

.ip

Data

IconPackager Theme File

.ipa

Executable

iPhone or iPod Touch Application

.ipd

Backup

BlackBerry Backup File

.ipf

Disk

Interchangeable Preservation File

.ipf

Text

OS/2 Help File

.ipf

Executable

SMS Installer Script

.ipg

Compressed

iPod Game File

.ipk

Compressed

Itsy Package

.ipp

Developer

Inline Guard Macro File

.ipr

Developer

InstallShield Professional Project File

.iproject

Data

iClone Project File

.ips

Game

Internal Patching System Patch File

.ipsw

Misc

iPod and iPhone Software Update File

.ipt

3D Image

Inventor Part File

.iptheme

Settings

IconPackager Raw Theme File

.ipx

Raster Image

IPIX Image

.iqy

Web

Internet Query

.irock

Data

intelliRock Sensor Data File

.irp

Data

Internet Researcher Project File

.irr

Data

Brewer Lamp File

.irx

Data

Brewer Irradiation File

.isc

Developer

Xilinx Device Configuration File

.isd

Page Layout

Flexera InstallShield Dialog Box File

.ise

Developer

InstallShield Express Project File

.isf

Data

Inspiration Flowchart Document

.ish

Compressed

ISH Compressed Archive

.ism

Developer

InstallShield Project File

.isn

Misc

Installer Source Files

.iso

Disk

Disc Image File

.isp

Settings

IIS Internet Service Provider Settings

.isr

Game

GoMoku Game File

.iss

Settings

Inno Setup Script

.iss

Settings

InstallShield Silent Response File

.ist

Developer

InstallShield Project Template File

.isu

Executable

InstallShield Uninstaller Script

.isz

Disk

Zipped ISO Disk Image

.it

Audio

Impulse Tracker Module

.ita

Compressed

IconTweaker Theme Archive

.itc

Misc

iTunes Cover Flow Data File

.itc2

Raster Image

iTunes Cover Flow Data File 2

.itdb

Data

iTunes Database File

.ithmb

Image

iPod Photo Thumbnails

.iti

Audio

Impulse Tracker Instrument

.itl

Data

iTunes Library File

.itm

Data

iThink Model File

.itn

Data

TomTom Navigator Itinerary File

.its

Audio

Impulse Tracker Sample

.its

System

Internet Document Set

.itt

Settings

IconTweaker Theme File

.itw

Data

InTouch With Database File

.itx

Data

ITX Form Template

.iv

3D Image

Open Inventor Scene Graph File

.iv2i

Backup

Norton Ghost Incremental Virtual Volume Image

.iva

Misc

Dementia.4207 Virus File

.iva

Video

Surveillance Video File

.ivf

Video

Indeo Video Format File

.ivr

Video

Internet Video Recording

.ivr

Image

Image World

.ivs

Video

Internet Streaming Video

.ivt

Data

Beyond 20/20 Table

.ivt

Game

International Volleyball 2006 Data File

.iw

Data

Chain Engineering Database File

.iwd

Game

Call of Duty Game Data File

.iws

Developer

IntelliJ IDEA Web Page

.iws

Misc

InstallWatch Scan File

.iwz

Developer

InstallShield Express 2 Project File

.ix

Settings

dtSearch Index File

.ixa

Disk

Ulead Disc Image format

.ixb

Data

Ulead Disc Image

.izz

Video

Isadora Media Control Project

.izzy

Video

Isadora Project

J File Extensions File types with extensions that start with the letter J. Extension

File Type

File Description

.j

Raster Image

JPEG Image

.j

Compressed

JAR Archive

.j

Developer

Java Source File

.j2c

Raster Image

JPEG 2000 Code Stream

.j2i

Game

Jazz 2 Internet Link File

.j2k

Raster Image

JPEG 2000 Image

.j2l

Game

Jazz Jackrabbit 2 Level File

.jad

Misc

Java Application Descriptor File

.jam

Audio

JAM Musical Score

.jam

Game

PS3 Unreal Tournament 3 Mod File

.jar

Executable

Java Archive File

.jar.pack

Compressed

Pack200 Packed Jar File

.jas

Raster Image

Paint Shop Pro Compressed Graphic

.jasper

Data

JasperReports Data File

.jav

Developer

Java Source File

.java

Developer

Java Source Code File

.jbf

Image

Paint Shop Pro Browser Cache

.jbig

Image

Joint Bi-level Image Group File

.jbk

Backup

Juno Backup File

.jbr

Raster Image

Paint Shop Pro Brushes File

.jc

Misc

FlashGet Partial Download

.jc!

Misc

FlashGet Incomplete Download

.jcz

Web

Liquid Motion Animation

.jdb

Data

Symantec Endpoint Protection Update File

.jed

Developer

Xilinx JEDEC Programming File

.jef

Data

Janome Embroidery Format

.jfi

Image

JPEG File Interchange

.jfif

Raster Image

JPEG File Interchange Format

.jfsl

Developer

Flash JavaScript File

.jg4

Game

BigJig Jigsaw Puzzle

.jgz

Compressed

Gzipped Javascript File

.jhtml

Web

Java HTML Web Page

.jia

Raster Image

Digital Photo Navigator Album

.jic

Developer

JTAG Indirect Configuration File

.jic

Compressed

Java Icon File

.jif

Raster Image

JPEG Image File

.jiff

Raster Image

JPEG Image File Format

.jis

Text

Japanese Industry Standard Text

.jmp

Data

JMP Data File

.jng

Raster Image

JPEG Network Graphic

.jnlp

Web

Java Web Start File

.jnt

Data

Windows Journal File

.job

Data

MetaCAM Nest Job File

.joboptions

Data

Adobe Joboptions File

.joined

Data

HJ-Split Data File

.jp1

Text

Japanese (Romaji) Text File

.jp2

Raster Image

JPEG 2000 Core Image File

.jpc

Raster Image

JPEG 2000 Code Stream File

.jpd

Raster Image

Joint PhotoDefiner Image

.jpd

Developer

Java Process Definition

.jpe

Raster Image

JPEG Image

.jpeg

Raster Image

JPEG Image File

.jpf

Raster Image

JPEG 2000 Image

.jpg

Raster Image

JPEG Image File

.jph

Data

JProbe Memory Snapshot

.jpr

Developer

JBuilder Project

.jpw

Image

World File for JPEG

.jpx

Developer

JBuilder Project

.jpx

Raster Image

JPEG 2000 Image File

.jrprint

Data

JasperReports Print File

.jrs

Misc

Exchange Reserve Transaction Log File

.jrxml

Data

JasperReports Layout File

.js

Web

JavaScript File

.js

Executable

JScript Executable Script

.jse

Executable

JScript Encoded File

.jsf

Settings

Project64 Joystick File

.json

Developer

JavaScript Object Notation File

.jsp

Web

Java Server Page

.jspa

Web

Java Servlet Alias

.jspx

Web

XML Java Server Page

.jsx

Executable

ExtendScript Script File

.jt

3D Image

JT Open CAD File

.jtf

Raster Image

JPEG Tagged Interchange Format

.jtp

Page Layout

Windows Journal Template

.jude

Data

JUDE Project File

.jvs

Web

JavaScript Proxy Autoconfig File

.jwl

Raster Image

Roxio Jewel Case File

.jws

Settings

Java Workspace Settings File

.jws

Web

Java Web Services File

.jxr

Raster Image

JPEG XR Image

K File Extensions File types with extensions that start with the letter K. Extension

File Type

File Description

.k25

Audio

Kurzweil K2500 File

.k26

Audio

Kurzweil K2600 File

.kap

Data

BSB Chart Image File

.kar

Audio

Karaoke MIDI File

.kb

Developer

C++ Keyboard Script

.kbd

System

Keyboard Layout Script

.kdb

Data

Keypass Database File

.kdc

Raster Image

Kodak Photo-Enhancer File

.kdevdlg

Developer

KDevelop Dialog Box File

.kdevelop

Developer

KDevelop Project Data File

.kdevprj

Developer

KDevelop Project File

.kdk

Raster Image

Kodak Proprietary Decimated TIFF File

.kdmp

Developer

Windows Crash Dump File

.kext

System

Mac OS X Kernel Extension

.key

Settings

Keyboard Definition File

.key

System

Security Key

.key

Misc

Keynote Presentation

.keychain

Settings

Mac OS X Keychain File

.kfx

Image

Kofax Image File

.kgb

Compressed

KGB Archive File

.khd

Misc

Dynamics AX Kernel Help Data File

.khi

Misc

Dynamics AX Kernel Help Index File

.kic

Raster Image

Kodak Compressed Image File

.kid

Data

Kidspiration Document

.kin

Audio

Kinetic Music Project

.kismac

Data

KisMAC Webservice File

.kit

Audio

Battery Drum Kit File

.kit

3D Image

20-20 Design File

.kix

Executable

KiXtart Script File

.klg

Text

Log File

.klg

Text

KOFIA Log

.kmc

3D Image

Kinemac Animation File

.kmcobj

3D Image

Kinemac Sprite Object

.kml

Text

Keyhole Markup Language

.kmm

Plugin

K-Meleon Macro Module

.kmp

Audio

Korg Trinity/Triton Keymap File

.kmz

Data

Google Earth Placemark File

.knt

Text

KeyNote Note File

.ko

System

Linux Kernel Module File

.kodak

Raster Image

Kodak Photo CD File

.kon

Text

Yahoo! Widget XML File

.koz

Audio

Audiokoz Music File

.koz

Audio

Bell Music File

.kpf

Data

Komodo Project File

.kpg

Raster Image

Kai's Power Goo Graphic

.kpp

Data

Kid Pix Presentation

.kpr

Data

KPresenter Presentation

.kpx

Data

Kid Pix Picture

.kpz

Data

Komodo Template File

.krz

Audio

Kurzweil K2000 File

.ksc

Audio

Korg Trinity/Triton Script File

.ksf

Audio

Korg Trinity/Triton Sample File

.ksh

Executable

Unix Korn Shell Script

.kt2

Audio

Battery 2 Drum Kit File

.kt3

Audio

Battery 3 Drum Kit File

.kth

Misc

Keynote Theme

.ktp

Audio

Kinetic Project Template

.kwd

Text

KWord Document

.kwreplay

Game

Command & Conquer 3 Replay File

.kyb

Settings

Keyboard Layout

.kyr

Misc

Lotus Domino Key Ring File

.kys

Settings

Adobe Photoshop CS Keyboard Shortcut File

L File Extensions File types with extensions that start with the letter L. Extension

File Type

File Description

.l

Audio

Left Audio Channel File

.l

Data

Game of Life File

.l6t

Data

Line 6 Tone File

.la

Audio

Lossless Audio File

.lab

Page Layout

WordPerfect Label Definition File

.laccdb

Data

Microsoft Access Lock File

.lang

Settings

Skype Language File

.las

Data

LIDAR Data Exchange File

.lasso

Web

Lasso Database-Driven Web Page

.latex

Text

LaTeX Document

.lay

Misc

DVD Studio Pro Layout File

.lay

Settings

Rhino 3D Layer State File

.lay

Settings

MAME Layout File

.lbc

Web

Cloaked Affiliate Link Builder Saved Link

.lbi

Developer

Dreamweaver Library Item

.lbl

Data

NiceLabel Template File

.lbl

Page Layout

dBASE Label File

.lbm

Raster Image

Deluxe Paint Bitmap Image

.lbr

Compressed

LU Library Archive

.lbs

Developer

Omnis Library

.lbt

Text

FoxPro Label Memo

.lbu

Settings

Cloaked Affiliate Link Builder Settings File

.lbx

Data

FoxPro Label File

.lcb

Backup

Living Cookbook Backup File

.lcd

Disk

CDSpace Emulated Disk Image

.lcd

Data

ABBYY Language File

.lcf

Data

ArchiCAD Library Container File

.lck

Misc

Program Lock File

.lcm

Data

Lipikar Custom Map File

.ldb

Misc

Microsoft Access Lock File

.ldb

Game

Max Payne Level File

.ldf

Data

SQL Server Transaction Log File

.ldif

Data

LDAP Data Interchange Format File

.ldm

3D Image

VolumeViz Multi-Resolution Volume File

.lds

Developer

Linux Compile Time Header File

.ldw

Game

Virtual Villagers Saved Game File

.lemon

Compressed

LemonShare.net Download

.lex

Data

Adobe Linguistic Library Data File

.lgc

Data

SimpleK Database File

.lgf

Data

PMSCAN Log File

.lgh

Data

HMI Historical Log File

.lgi

Data

Multimedia Logic File

.lgl

Data

Large Graph Layout Edge File

.lgl

Game

LeechGet Download List

.lgo

Developer

Logo Instructions File

.lgp

Game

Final Fantasy Media Archive

.lha

Compressed

LHARC Compressed Archive

.lhs

Developer

Literate Haskell Script

.lib

Data

Generic Data Library

.lic

Settings

Software License

.licenses

Developer

Visual Studio Licensed Classes File

.licx

Developer

Visual Studio License File

.lid

Misc

Kodak EasyShare Album File

.lif

Data

TurboTax Information Archive

.lin

Vector Image

AutoCAD Linetype File

.link

Misc

iPod Link File

.linx

Misc

iPod Links Folder

.lis

Developer

VAX Program Listing

.lis

Text

SQR Output File

.lit

Text

eBook File

.lit

Developer

Literate Haskell Script

.livereg

Data

Symantec Antivirus Session File

.liveupdate

Data

Symantec LiveUpdate File

.lix

Data

ExtendSim Simulation Software Library

.lix

Data

Logos Library System File

.ll

Game

List & Label Preview File

.llb

Data

LabVIEW Library File

.llm

3D Image

Linden Lab Mesh File

.llx

Backup

LabVIEW VI Library Backup File

.lms

Data

LenMus Score File

.lmu

Game

RPG Maker Map File

.lmx

Data

Landmark Exchange File

.lnd

3D Image

3D Landscape File

.lng

Plugin

Acrobat Language Plug-in

.lnk

System

File Shortcut

.lnt

Text

Laego Note Taker File

.lnt

Developer

PC-lint/FlexeLint Configuration File

.lnt

Data

LiveNote Case File

.lnx

Disk

Atari Lynx ROM

.lnx

Compressed

Commodore 64 Lynx Archive

.lo

Executable

Interleaf Compiled Lisp File

.loc

Data

GPS Location File

.lock

Misc

Lock File

.log

Text

Log File

.log1

System

Windows Registry Hive Log File

.log2

System

Windows Registry Hive Log 2 File

.logonvista

Misc

LogonStudio Windows Vista Logon Screen

.logonxp

Misc

LogonStudio Windows XP Logon Screen

.loov

Misc

Smadav Virus Definitions File

.lop

Settings

Mastercook Layout File

.lp2

Text

iLEAP Word Processing Document

.lp7

Data

LP7 Digitally Signed File

.lproj

Developer

Localized Project Folder

.lqr

Compressed

SQ Compressed LBR Archive

.lqt

Audio

Liquid Audio File

.lrc

Text

Lyrics File

.lrf

Data

Sony Portable Reader File

.lrf

Developer

Microsoft Linker Response File

.lrs

Data

Librie Reader Source File

.lrx

Data

Sony Portable Reader File

.lsd

Game

RPG Maker Game Save File

.lsf

Video

Streaming Media Format

.lsf

Data

Logos Library System File

.lsl

Data

LightScribe Label

.lso

Audio

Logic Audio Project

.lsp

Developer

Lisp Program Source Code

.lsp

Data

LANsurveyor Poll List

.lsr

Data

LANsurveyor Report

.lst

Data

LightScribe Label Template

.lst

Text

FoxPro Documenting Wizard List

.lst

Text

Data List

.lsu

Data

LANsurveyor Map

.lsw

Game

RPG Maker Saved Game File

.lsx

Video

Streaming Media Shortcut

.lt2

3D Image

Poser Light Set File

.ltf

Misc

Frogans Shortcut File

.ltr

Text

Letter File

.ltz

3D Image

Compressed Poser Light Set File

.lua

Developer

Lua Source File

.lue

Text

Norton LiveUpdate Log File

.luf

Text

Lipikar Uniform Format File

.luxb

Game

Lux Map File

.lva

Settings

Logitech Video Effects Avatar File

.lvf

Settings

Logitech Video Effects File

.lvl

Game

Game Level File

.lvm

Data

LabVIEW Measurement File

.lvp

Audio

Avaya Voice Player Audio File

.lw4

Data

Lightwright File

.lwfn

Font

Adobe Type 1 Mac Font File

.lwo

3D Image

LightWave 3D Object File

.lwp

Text

Lotus Word Pro Document

.lws

3D Image

LightWave 3D Scene File

.lwtp

Misc

LimeWire Theme Pack

.lwv

Audio

Linguistically Enhanced Sound File

.lxa

Misc

Microsoft Speech Lexicon File

.lxf

3D Image

LEGO Digital Designer Model File

.lxfml

Text

LEGO Digital Designer XML File

.ly

Data

LilyPond File

.lyr

Misc

ArcView Layer File

.lyt

Text

TurboTax Install Log File

.lyx

Text

LyX Document

.lz

Compressed

Lzip Compressed File

.lzh

Compressed

LZH Compressed File

.lzm

Compressed

Slax Module

.lzma

Compressed

LZMA Compressed File

.lzo

Compressed

LZO Compressed File

.lzx

Compressed

Amiga LZX Compressed File

M File Extensions File types with extensions that start with the letter M. Extension

File Type

File Description

.m

Data

Mathematica Input File

.m

Developer

Objective-C Implementation File

.m15

Video

MPEG Video

.m1a

Audio

MPEG-1 Audio File

.m1pg

Video

iFinish Video Clip

.m1v

Video

MPEG-1 Video File

.m2

Game

World or Warcraft Model Object

.m21

Video

AXMEDIS MPEG-21 File

.m21

Video

MPEG-21 File

.m2a

Video

MPEG-1 Layer 2 Audio File

.m2p

Plugin

Maxthon 2 Browser Plugin File

.m2p

Video

MPEG-2 Program Stream File

.m2s

Settings

Maxthon 2 Browser Skin File

.m2t

Video

HDV Video File

.m2ts

Video

Blu-ray BDAV Video File

.m2v

Video

MPEG-2 Video

.m3d

3D Image

3D Model File

.m3d

3D Image

DIALux 3D Object File

.m3g

Executable

Mobile 3D Graphics Program

.m3u

Audio

Media Playlist File

.m4

Developer

Macro Processor Library

.m4a

Audio

Apple Lossless Audio File

.m4b

Audio

MPEG-4 Audio Book File

.m4e

Video

MPEG-4 Video File

.m4p

Audio

iTunes Music Store Audio File

.m4r

Audio

iPhone Ringtone File

.m4u

Video

MPEG-4 Playlist

.m4v

Video

iTunes Video File

.m75

Video

MPEG Video

.ma

3D Image

Maya Project File

.ma1

Audio

Monarch Audio File

.mab

Misc

Mozilla Address Book

.mac

Raster Image

MacPaint Image

.mad

Misc

Access Module

.maf

Misc

Microsoft Access Form

.mag

Image

Access Diagram

.mag

Data

Magic Circuit Layout

.magik

Developer

Magik Source Code File

.mai

Data

Microsoft Mail File

.mailhost

Settings

MSN Mailhost Settings File

.mak

Developer

Makefile

.mam

Misc

Microsoft Access Macro

.man

Text

Unix Manual

.manifest

System

Windows Visual Styles File

.map

Game

Half-Life Map File

.map

Data

NAVIGON Map File

.map

Data

Weather Defender Map

.map

Web

Image Map

.mapimail

System

Send To Mail Recipient

.maq

Misc

Microsoft Access Query

.mar

Misc

Microsoft Access Report

.mas

Misc

Access Stored Procedures

.masseffectprofile

Data

Mass Effect Player Profile

.masseffectsave

Game

Mass Effect Saved Game

.master

Web

ASP.NET Master Page

.mat

Raster Image

Vue Material File

.mat

Data

MATLAB MAT-File

.mat

Misc

Microsoft Access Table Shortcut File

.mat

Plugin

V-Ray Materials File

.material

Settings

Rigs of Rods Texture Reference File

.mato

Game

Atomic Combat Saved Game

.mau

Misc

Media Attachment Unit

.mav

Misc

Access View File

.maw

Misc

Access Data Access Page

.max

Page Layout

OmniPage Scanned Document

.max

3D Image

3ds Max Scene File

.max

Raster Image

PaperPort Scanned Document

.max

Game

Action Replay Max Save File

.mb

3D Image

Maya Binary Project File

.mbb

Data

ManaBook Book File

.mbbk

Page Layout

ManaBook Book Kit File

.mbf

Data

Microsoft Money Backup File

.mbg

Data

Microsoft Mailbag

.mbg

Data

Mailbag Assistant Mailbox File

.mbi

Disk

Multi-Bootable Information File

.mbl

Data

Logger Pro Data File

.mbm

Raster Image

Multi Bitmap File

.mbox

Text

E-mail Mailbox File

.mbp

Data

Mobipocket Notes File

.mbx

Data

Outlook Express Mailbox

.mc1

Data

MedCalc Data File

.mc2

Misc

MasterCook 5 Cookbook File

.mc5

3D Image

Poser 5 Material File

.mc6

3D Image

Poser 6 Material File

.mc9

Data

Mastercam 9 Geometry File

.mcd

Data

Mathcad Document

.mcf

Misc

MasterCook 2 Cookbook File

.mcf

Font

Watchtower Library Font File

.mcfi

Misc

Maya Initial Fluid Cache File

.mcfp

Misc

Maya Fluid Cache Playback File

.mci

Misc

Media Control Interface

.mcl

Settings

Windows Media Center Link File

.mco

Misc

Live Messenger Winks File

.mcr

Executable

3ds Max Macroscript File

.mcrp

Encoded

MobyExplorer Encrypted File

.mcs

Image

Mathcad Image

.mcx

3D Image

MICRO CADAM-X/6000 Model Data File

.mcz

3D Image

Compressed Poser Material File

.md

Compressed

MDCD Compressed Archive

.md

Developer

Machine Description File

.md

Data

Moneydance Financial Data File

.md0

Disk

Alcohol Disk Image Segment 1

.md1

Disk

GEAR CD/DVD Disc Image

.md1

Disk

Alcohol Disk Image Segment 2

.md2

Disk

Alcohol Disk Image Segment 2

.md2

Game

Quake 2 Player Model

.md3

Game

Quake III 3D Model

.md5

Misc

MD5 Checksum File

.mda

Plugin

Access Add-in

.mdb

Data

Microsoft Access Database

.mdc

Data

Multi Dimension Cube File

.mde

Plugin

Access Add-in (Compiled)

.mde

Misc

ArchiCAD Educational Version Module File

.mdf

Misc

Translation Memory Data Find File

.mdf

Data

SQL Server Database File

.mdf

Disk

Media Disc Image File

.mdf

Data

Measurement Data Format File

.mdi

Page Layout

Microsoft Document Imaging File

.mdl

Game

Half-Life Model File

.mdl

Audio

DigiTrakker Module

.mdl

3D Image

Warcraft III 3D Model Text File

.mdl

Misc

Flight Simulator Airplane Model

.mdl

Data

Rational Rose Model File

.mdl

Data

Simulink Model File

.mdm

Game

Mario Dash Map File

.mdm

Data

HLM Multivariate Data Matrix File

.mdmp

System

Windows Minidump

.mdn

Data

Blank Access Database Template

.mds

Disk

Alcohol Disc Image Track Data

.mds

Disk

Media Descriptor File

.mdt

Data

Access Database Template

.mdw

Misc

Access Workgroup File

.mdx

Data

Rational XDE Model File

.mdx

3D Image

Warcraft III Model File

.mdx

Data

Multiple Index File

.mdz

Data

Access Wizard Template

.me

Text

Readme Text File

.me2mod

Game

Mass Effect 2 Modification File

.meb

3D Image

PRO100 3D Interior Catalog Element

.med

Audio

Amiga MED Sound File

.med

Developer

RSView Development Project

.mel

Executable

Maya Embedded Language File

.mell

Text

Mellel Word Processing File

.mellel

Text

Mellel Word Processing Document

.mem

Executable

Macro Editor Macro

.mem

System

Parallels Desktop Memory Dump File

.mem

Game

Virtual Game Station Memory File

.mem

Backup

FoxPro Variable File

.mem

Data

Mnemosyne Card Collection

.menc

Data

Windows Mobile Encrypted File

.mer

Developer

RSView Development Runtime File

.mesh

3D Image

3D Mesh Model

.met

Raster Image

Presentation Manager Metafile

.met

Data

eMule Resource File

.meta

Video

RealPlayer Metafile

.metadata_never_index System

Spotlight Never Index File

.mex

Data

Macro Express File

.mf

Developer

Java Manifest File

.mfa

Developer

Multimedia Fusion Development File

.mfo

Data

Perl ModInfo Descriptor File

.mfo

Page Layout

MediaFace Online Saved File

.mfp

Data

Macromedia FlashPaper Document

.mfp

Page Layout

MediaFACE Project File

.mfs

Encoded

MetFS Encrypted File System

.mft

Page Layout

MediaFACE Project Template

.mfx

Plugin

Multimedia Fusion Extension

.mgc

Data

MGCSoft Equation Illustrator File

.mgf

Image

Materials and Geometry Format

.mgl

Game

Age of Empires 2 Replay File

.mgm

Settings

MGCSoft Equation Illustrator Macro

.mgs

Image

MGCSoft Vector Shapes

.mgv

Audio

Yamaha MegaVoice File

.mgv

Video

PSP Video File

.mgx

Game

Rise of Nations Saved Game

.mgx

Game

Age of Empires 2 Expansion Replay File

.mhs

Misc

Hardware Specification File

.mht

Web

MHTML Web Archive

.mhtml

Web

MIME HTML File

.mi4

System

Audio Player Firmware File

.mic

Image

Image Composer File

.mid

Audio

MIDI File

.midi

Audio

MIDI File

.mif

Misc

Management Information Format

.mig

Backup

Windows Migration Backup File

.milk

Plugin

MilkDrop Winamp Plugin Preset

.mim

Encoded

Multi-Purpose Internet Mail Message File

.mime

Encoded

Multi-Purpose Internet Mail Extension

.miniusf

Audio

Nintendo 64 Song File

.mint

Compressed

Linux Mint Installer File

.mio

Executable

MioEngine Application File

.mip

Image

Multiple Image Print File

.mis

Game

Marble Blast Gold Mission File

.mis

Game

Saved Game Mission File

.mission

Game

Vega Strike Mission File

.mix

Game

Command & Conquer Data File

.mix

Image

PhotoDraw Image File

.mix

Raster Image

Picture It! Image File

.mj2

Video

Motion JPEG 2000 Video Clip

.mjp

Video

MJPEG Video File

.mjpg

Video

Motion JPEG Video File

.mk

Developer

Makefile

.mka

Audio

Matroska Audio File

.mkv

Video

Matroska Video File

.mlb

Developer

Visual FoxPro Library

.mlk

Settings

Mastercook Look File

.mlp

Audio

Meridian Lossless Packing Audio File

.mls

Data

Milestones Simplicity File

.mls

Misc

CrystalPlayer Playlist

.mm

Data

FreeMind Mind Map

.mm6

Game

Might and Magic 6 Saved Game

.mm7

Game

Might and Magic 7 Saved Game

.mm8

Game

Might and Magic 8 Saved Game

.mma

Image

Master Album Maker Digital Photo Album

.mmap

Data

MindManager Map File

.mmc

Data

Microsoft Media Catalog

.mme

Encoded

Multi-Purpose Internet Mail

.mmf

Audio

Synthetic Music Mobile Application File

.mmf

Data

Microsoft Message File

.mml

Page Layout

FrameMaker Maker Markup Language File

.mmm

Audio

MAGIX Music Maker File

.mmo

Misc

Memory Map Overlay File

.mmp

Data

MindManager Mind Map

.mmp

Misc

MixMeister Playlist

.mmp

Data

Master Album Maker Project

.mmv

Video

MicroMV Video File

.mnc

Data

My Notes Center Notebook

.mng

Data

Yamaha PSR Disk Manager File

.mng

Raster Image

Multiple Network Graphic

.mnk

Data

My Notes Keeper Notebook

.mnm

3D Image

Character Studio Marker Name File

.mno

Data

Macromedia Design Note

.mnt

Text

FoxPro Menu Memo

.mnv

Video

PlayStation Movie File

.mnx

Misc

FoxPro Menu

.mny

Data

Microsoft Money File

.mo

Developer

Machine Object File

.mo3

Audio

MO3 Audio File

.mobi

Data

Mobipocket eBook

.mod

Audio

Amiga Music Module File

.mod

Developer

Fortran Module File

.mod

Game

Neverwinter Nights Module

.mod

Video

JVC Recorded Video File

.mod

Misc

ArchiCAD Module

.modd

Video

Sony Video Analysis File

.model

3D Image

CATIA 3D Model FIle

.mof

Settings

Managed Object Format File

.moff

Video

Sony Video Analysis Index File

.moho

Data

Anime Studio Animation Project

.moi

Video

MOI Video File

.mom

Developer

Managed Object Model

.moov

Video

Apple QuickTime Movie

.mosaic

Data

MacOSaiX Mosaic File

.mou

Compressed

WinMount Compressed File

.mov

Video

Apple QuickTime Movie

.movie

Video

QuickTime Movie File

.mox

Data

ExtendSim Simulation Software Model

.moz

Web

Mozilla Cache File

.mp

3D Image

Maya PLE Project File

.mp1

Audio

MPEG-1 Layer 1 Audio File

.mp2

Audio

MPEG Layer II Compressed Audio File

.mp21

Video

MPEG-21 Multimedia File

.mp21

Video

AXMEDIS MPEG-21 Object

.mp2m

Game

Max Payne 2 Mod File

.mp2s

Game

Max Payne 2 Saved Game

.mp2v

Video

MPEG-2 Video File

.mp3

Audio

MP3 Audio File

.mp4

Video

MPEG-4 Video File

.mp4v

Video

MPEG-4 Video

.mpa

Audio

MPEG-2 Audio File

.mpb

Backup

MyPhoneExplorer Backup File

.mpc

Audio

Musepack Compressed Audio File

.mpcpl

Misc

Media Player Classic Playlist

.mpd

Data

Microsoft Project Database

.mpd

Data

File List Creator Playlist

.mpdconf

Settings

Music Player Daemon File

.mpe

Video

MPEG Movie File

.mpeg

Video

MPEG Movie

.mpeg4

Video

MPEG-4 File

.mpf

Raster Image

Microsoft Media Package FIle

.mpf

Video

MainActor Project File

.mpg

Video

MPEG Video File

.mpg2

Video

MPEG-2 Video File

.mpga

Audio

MPEG-1 Layer 3 Audio File

.mpj

Data

Minitab Project File

.mpk

Game

Project64 Memory Pack File

.mpkg

Compressed

Meta Package File

.mpl

Video

AVCHD Playlist File

.mpls

Video

Blu-ray Movie Playlist File

.mpm

Game

Max Payne Modfication File

.mpp

Data

Microsoft Project File

.mpq

Game

Blizzard Mo'PaQ File

.mpr

Developer

FoxPro Generated Menu Program

.mps

Misc

Pocket Streets Map File

.mps

Game

Max Payne Saved Game

.mpt

Data

Microsoft Project Template

.mpu

Audio

MPEG Layer 3 Audio File

.mpv

Video

MPEG Elementary Stream Video File

.mpv2

Video

MPEG-2 Video Stream

.mpx

Executable

FoxPro Compiled Menu Program

.mpx

Data

Microsoft Project Exchange File

.mpz

Data

Miradi Project File

.mp_

Audio

Mobile Phone Sound File

.mq4

Data

MetaTrader Custom Indicator

.mqv

Video

Sony Movie Format File

.mrb

Image

Multiple Resolution Bitmap

.mrc

Executable

mIRC Script File

.mrimg

Disk

Macrium Reflect Disk Image

.mrk

Misc

DPOF Auto Print Order File

.mrs

Game

GunZ Game Data File

.mrw

Raster Image

Minolta Raw Image File

.ms

Executable

3ds Max Script File

.ms-tnef

Misc

MS Transport Neutral Encapsulation Format

.ms10

Data

Multisim Circuit Design

.ms3d

3D Image

MilkShape 3D Model

.msc

Data

MuseScore Composition File

.msc

System

Microsoft Management Console Snap-in Control File

.mscx

Misc

MuseScore Music Score File

.mscz

Misc

MuseScore Compressed Score File

.msdvd

Video

Windows DVD Maker Project File

.mse

Encoded

3ds Max Encrypted MAXScript File

.msf

Misc

Mail Summary File

.msf

Settings

Miranda IM Skin File

.msg

Text

Outlook Mail Message

.msh

Video

Visual Communicator Project File

.msi

Misc

Windows Installer Package

.msk

Image

Paint Shop Pro Mask

.mskn

Settings

MediaMonkey Skin File

.msm

Settings

Windows Installer Merge Module

.msn

Settings

Host Blocking File

.mso

Misc

Inline E-mail Attachment

.mso

Misc

Microsoft Office Macro Reference File

.msp

Raster Image

Microsoft Paint Bitmap Image

.msp

Developer

MaxScript Page File

.msp

System

Windows Installer Patch

.mspx

Web

Microsoft ASP.NET Web Page

.mss

Misc

Software Specification File

.msstyle

System

Windows XP Unsigned Style

.msstyles

System

Windows XP Style

.mst

Executable

Windows SDK Setup Transform Script

.mst

Settings

Corel Presentations Master Template File

.msu

Misc

Windows Vista Update Package

.msv

Audio

Memory Stick Voice File

.mswmm

Video

Windows Movie Maker Project

.mt2

Audio

MadTracker 2 Module

.mtd

Misc

Musicnotes Digital Sheet Music File

.mte

Audio

MadTracker 2 Envelope

.mtf

Misc

MasterCook Tips

.mtf

Misc

Translation Memory Translations File

.mtf

Settings

Motorola Theme File

.mth

Data

Derive Math File

.mti

Audio

MadTracker Instrument

.mtm

Audio

MultiTracker Module

.mtp

Audio

MadTracker 2 Pattern

.mts

Video

AVCHD Video File

.mts

Audio

MadTracker 2 Sample File

.mtv

Video

MTV Video Format File

.mtw

Data

Minitab Worksheet File

.mtx

Plugin

MadTracker 2 Extension

.mtx

3D Image

MetaStream Scene File

.mtz

3D Image

Compressed MetaStream Scene File

.mud

Data

Textease Multi User Database

.muf

Data

Alpha Five Licence File

.mui

System

MultiLanguage Resource File

.mum

System

Windows Vista Update Package

.mus

Game

Playstation 2 Music File

.mus

Audio

Finale Notation File Format

.mvb

Video

Multimedia Viewer Book Source File

.mvc

Video

Movie Collector Catalog

.mvd

Video

Movie Edit Pro Video Project

.mve

Video

Infinity Engine Movie File

.mvi

Misc

AutoCAD Movie Command File

.mvs

Misc

Project Language and Simulation File

.mvx

Developer

Multimedia Fusion Movement Extension

.mw

Data

Maple Worksheet

.mw

Text

MacWrite Text Document

.mwd

Text

MarinerWrite Document

.mwf

Misc

Translation Memory Word Find File

.mwf

Data

MapGuide Author Map Window File

.mwp

Text

Lotus Word Pro SmartMaster File

.mws

Audio

MWave DSP Synth Instrument Extract

.mws

Data

Maple Classic Worksheet

.mwx

Settings

MapGuide Author Map Window XML File

.mwx

Data

MicroWorlds EX File

.mxc2

Data

MAGIX Cache File

.mxd

Data

ArcGIS Map Document

.mxe

Executable

Macro Express Playable Macro

.mxf

Video

Material Exchange Format File

.mxl

Misc

Compressed MusicXML File

.mxml

Developer

Flex MXML Component

.mxp

Plugin

Macromedia Extension

.myapp

Developer

Visual Studio Application XML File

.myd

Data

MySQL Database Data File

.mydocs

System

Send To My Documents

.myi

Data

MySQL MyISAM Index File

.mzp

Audio

Mozart Percussion File

.mzp

Compressed

MAXScript Zip Package

N File Extensions File types with extensions that start with the letter N. Extension

File Type

File Description

.n-gage

Game

N-Gage Application

.n3pmesh

Game

Knight Online 3D Mesh File

.n64

Game

Nintendo 64 Emulator ROM File

.nap

Audio

Napster Secured Music File

.nap

Vector Image

NAP Metafile

.nav

Game

Counter-Strike Bot Navigation File

.nav

Image

MSN Application Extension

.nav2

Misc

WinAVI Temporary Navigation File

.nb

Data

Mathematica Notebook

.nb7

Backup

NovaBACKUP Output File

.nba

Backup

Nero BackItUp Archive

.nbf

Backup

Backup Now Archive

.nbf

Backup

Nokia Backup File

.nbi

Backup

Nero BackItUp Information File

.nbk

Backup

NovaBACKUP Backup Script

.nbu

Backup

Nokia Phone Backup File

.nc

Data

Mastercam Numerical Control File

.ncd

Disk

NTI CD-Maker Disc Image

.ncd

Image

Nero Cover Designer Document

.ncf

Game

No Cache File

.nch

Misc

Outlook Express Folder File

.nco

Backup

Nero BackItUp File

.ncor

Video

Adobe Encore Project File

.ncr

Raster Image

NCR Image

.nd

Settings

QuickBooks Network Data File

.ndb

Data

ClamAV Extended Signature File

.ndc

Settings

Personal Communications Settings File

.ndf

Data

SQL Server Secondary Database File

.ndk

Data

Lotus Notes Design Elements File

.nds

Game

Nintendo DS Game ROM

.ndx

Data

dBASE Index File

.nef

Raster Image

Nikon Electronic Format RAW Image File

.neo

Image

NeoChrome Bitmap Image

.nes

Game

Nintendo (NES) ROM File

.net

Data

netViz Project File

.net

Plugin

FileMaker Networking Module

.neta

Data

Netica Binary File

.neu

3D Image

Pro/ENGINEER Neutral File

.nff

Image

Neutral File Format

.nfi

Disk

Dreambox Disc Image

.nfo

Game

Age of Empires Player File

.nfo

Data

Folio Views Infobase File

.nfo

Text

Warez Information File

.nfo

System

System Information File

.ngage

Game

N-Gage Game File

.nib

Developer

Interface Resources

.nick

Misc

Outlook 2000 Nickname File

.nif

Image

Gamebryo Image

.nitf

Data

National Imagery Transmission Format File

.njb

Misc

Nikon Photo Index File

.nji

Settings

Nero Job Information File

.nk2

Misc

Outlook 2002 Nickname File

.nki

Audio

KONTAKT Instrument File

.nls

System

Microsoft National Language Support File

.nltrack

Game

NoLimits Roller Coaster Track File

.nmind

Data

NovaMind Mind Map File

.nn

Disk

Nero CD File List

.not

Data

Notation File

.notebook

Data

SMART Notebook File

.notes

Text

Memento Notes File

.now

Text

Readme File

.np

Data

Portfolio NetPublish File

.npl

Data

Nokia Playlist File

.npp

Page Layout

Art Explosion Publisher Pro Document

.npr

Data

Nuendo Project File

.npt

Data

Portfolio NetPublish Template

.nra

Audio

Nero Audio Compilation

.nrg

Disk

Nero CD/DVD Image File

.nri

Disk

Nero ISO CD Compilation File

.nrl

Data

Autonomy Interwoven Link File

.nrs

Backup

NovaBACKUP Restore Script

.nrt

Audio

Nokia Ringtone

.nrw

Raster Image

Nikon Raw Image File

.ns2

Data

Lotus Notes 2 Database

.ns3

Data

Lotus Notes 3 Database

.ns4

Data

Lotus Notes 4 Database

.nsa

Audio

Nullsoft Streaming Audio File

.nsbca

Game

Nintendo DS Model Animation File

.nsbmd

Game

Nintendo DS Model File

.nsbtx

Game

Nintendo DS Model Texture File

.nsf

Audio

NES Sound Format File

.nsf

Data

Lotus Domino Database

.nsf

Data

Lotus Notes Database

.nss

Misc

Magnetic Screensaver File

.nst

Audio

NoiseTracker Module

.nsv

Video

Nullsoft Streaming Video File

.nt

System

Windows NT Startup File

.ntc

Image

Nikon Capture Custom Curves

.ntf

Image

MediaFace II CD Label

.nth

Misc

Nokia Series 40 Theme File

.ntn

Audio

NOTION Song File

.ntrk

Game

Pacific FIghters Online Track File

.nts

Settings

Lotus Notes Traveler Server Config File

.ntx

Data

Clipper Index File

.numbers

Data

Numbers Spreadsheet File

.nup

Misc

Smart Security Update File

.nvc

Video

NeroVision Express Project File

.nvc

Settings

Nikon Vignette Correction File

.nvl

Data

UniChem Results File

.nwc

Audio

NoteWorthy Composer File

.nwctxt

Text

NoteWorthy Composer Text File

.nwm

Misc

Sony NWM Display Screen File

.nwp

Misc

Magnetic Wallpaper File

.nwv

Settings

Dragon NaturallySpeaking User Archive

.nxc

Developer

NXC Source Code File

.nxg

Web

eSite Builder NXG Web Page

.ny

Plugin

Nyquist Plug-in

.nyf

Data

myBase Database File

.nzb

Web

NewzBin Usenet Index File

O File Extensions File types with extensions that start with the letter O. Extension

File Type

File Description

.o

Developer

Compiled Object File

.oab

Data

Offline Address Book

.oar

Compressed

OpenSimulator Archive

.ob!

Misc

Orbit Downloader Incomplete Download

.obi

Settings

Outlook RSS Subscription File

.obj

Data

Relocatable Object Code

.obj

3D Image

3D Object File

.obs

Executable

ObjectScript Script File

.obz

3D Image

Compressed 3D Object File

.oca

Developer

Custom Control Library Type File

.oce

Settings

Open Catalog Extension Connection File

.ocr

Text

FAXGrapper Fax Text File

.ocx

Developer

ActiveX Control

.odb

Data

ABAQUS Database

.odc

Image

OpenDocument Chart

.odf

Misc

OpenDocument Formula

.odf

Data

Open Document File

.odg

Image

OpenDocument Graphic

.odi

Image

OpenDocument Image

.odif

Image

Open Document Interchange Format

.odm

Text

OpenDocument Master Document

.odm

Audio

OverDrive Media File

.odo

Text

Online Operating System Write Document

.odp

Data

OpenDocument Presentation

.ods

Misc

Outlook Express 5 Mailbox

.ods

Data

OpenDocument Spreadsheet

.odt

Text

OpenDocument Text Document

.odx

Data

BizTalk Server Orchestration File

.oeaccount

Data

Windows Mail Account File

.oeb

Backup

Outlook Express Backup Wizard File

.oem

Settings

OEM Setup File

.ofc

Data

Open Financial Connectivity File

.off

3D Image

Object File Format

.ofl

Text

Ots File List

.ofm

Data

OmniForm Form

.oft

Data

Outlook File Template

.ofx

Data

Open Financial Exchange File

.oga

Audio

Ogg Vorbis Audio File

.ogg

Audio

Ogg Vorbis Compressed Audio File

.ogm

Video

Ogg Media File

.ognc

Web

Dynamic Web Page

.ogv

Video

Ogg Vorbis Video File

.ogx

Video

Ogg Vorbis Multiplexed Media File

.okt

Audio

Oktalyzer Module

.ola

Page Layout

Online Access File

.olb

Misc

OLE Object Library

.old

Backup

Backup File

.oma

Audio

Sony OpenMG Music File

.omcs

Data

Office Manager Access File

.omf

Raster Image

OMF Interchange Image File

.omf

Audio

Open Media Framework File

.omg

Audio

OpenMG Audio File

.omo

Developer

OMake Object File

.omp

Data

Office Manager Document Archive

.omx

Audio

OtsAV Media Library Information File

.ond

Data

Lotus Notes Encapsulated Memo File

.one

Data

OneNote Document

.onepkg

Backup

Microsoft OneNote Package File

.oo3

Data

OmniOutliner 3 File

.opd

Page Layout

OmniPage Document

.openbsd

Text

OpenBSD Readme File

.opf

Image

FlipAlbum File

.opf

Data

FlipViewer FlipBook File

.opml

Text

OPML File

.ops

Settings

Office Profile Settings File

.opt

Settings

Options File

.opx

Data

FlipAlbum Photo Album File

.opx

Data

OrgPlus Org Chart

.or2

Data

Lotus Organizer 2 File

.or3

Data

IBM Lotus Organizer 97 File

.or4

Data

IBM Lotus Organizer 97 GS File

.or5

Data

Lotus Organizer 5 File

.or6

Data

Lotus Organizer 6 File

.orf

Raster Image

Olympus RAW File

.org

Data

Lotus Organizer File

.ori

Backup

Original File

.ort

Text

Rich Text Editor Document

.orx

Data

RadiantOne VDS Database Schema

.ost

Misc

Outlook Offline Folder File

.osx

Executable

PowerPC Executable File

.osz

Game

Osu! Beatmap File

.ota

Image

OTA Bitmap

.otb

Image

Nokia Over The Air Bitmap

.otc

Image

OpenDocument Chart Template

.otf

Misc

OpenDocument Formula Template

.otf

Data

OpenTuft Tufting Design File

.otf

Font

OpenType Font

.otg

Image

OpenDocument Graphic Template

.oth

Web

OpenDocument HTML Template

.oti

Image

OpenDocument Image Template

.otl

Data

NoteTab Outline File

.otln

Data

Opal Outline File

.otp

Misc

OpenDocument Presentation Template

.ots

Data

OpenDocument Spreadsheet Template

.ots

Audio

OtsAV Album File

.ott

Text

OpenDocument Text Document Template

.out

Data

Output File

.ov2

Data

TomTom Points of Interest Database

.ova

Data

Open Virtual Appliance

.ova

Data

Octava Musical Score

.ove

Audio

Overture Musical Score

.ovf

Data

Open Virtualization File

.ovl

Game

Rollercoaster Tycoon 3 Sprites File

.ovpn

Settings

OpenVPN Configuration File

.ovw

Image

Cubase WAVE File Overview

.owc

Game

OutWit Catch Database

.owg

Misc

OutWit Gear Database

.owl

Developer

OWL Source Code File

.owm

Misc

OutWit XML Mashup File

.oxt

Plugin

OpenOffice.org Extension

.oyx

Backup

Approach Alternate Database Index

P File Extensions File types with extensions that start with the letter P. Extension

File Type

File Description

.p

Developer

Pascal Source Code

.p

Developer

Python Pickle File

.p01

Disk

GEAR CD/DVD Disc Image

.p01

Disk

Toast CD Image

.p12

Web

Personal Information Exchange

.p21

3D Image

Express STEP Data Model File

.p2m

Settings

PhotoWorks Appearance File

.p2m

Game

Gameshark PlayStation 2 Cheats file

.p2p

Misc

FolderShare Placeholder File

.p2z

3D Image

Compressed Poser Pose File

.p3d

3D Image

Peak3D 3D Graphics File

.p3t

Game

PlayStation 3 Theme File

.p65

Page Layout

PageMaker 6.5 Document

.p7b

System

PKCS #7 Certificate File

.p7m

Compressed

Digitally Encrypted Message

.p7s

Text

Digitally Signed Message

.p96

Data

Win96 Database File

.p97

Data

Win97 Database File

.pa

Page Layout

Print Artist Project

.pab

Data

Personal Address Book

.pac

Raster Image

STAD Graphic File

.pac

Web

Proxy Auto-Config File

.pac

Audio

SBStudio II Song File

.pack

Encoded

Pack200 Packed Jar File

.pack.gz

Compressed

Pack200 Compressed Archive

.package

Game

The Sims 2 Package File

.package

Compressed

Linux Autopackage File

.pae

Compressed

PowerArchiver Encrypted Archive

.paf

Executable

Portable Application Installer File

.paf

Data

Personal Ancestral File

.paf.exe

Executable

PortableApps.com Program File

.pages

Text

Pages Document

.pak

Compressed

PAK (Packed) File

.pal

Image

Dr. Halo Color Palette

.pan

Data

Panorama Database File

.pando

Misc

Pando File

.panic

System

Kernel Panic File

.pap

Raster Image

PanoramaStudio Project File

.pap

Misc

Corel Painter Paper Texture

.paq

Backup

Hewlett-Packard Software Restore File

.paq6

Compressed

PAQ6 Data Archive

.paq7

Compressed

PAQ7 Data Archive

.paq8

Compressed

PAQ8 Data Archive

.par

3D Image

Solid Edge Part File

.par

Compressed

Parchive Index File

.par

Video

Dedicated Micros DVR Recording

.par2

Compressed

Parchive 2 Index File

.part

Misc

Partially Downloaded File

.partimg

Disk

Partimage File

.pas

Developer

Pascal Source File

.pat

Image

3D Patch File

.pat

Audio

Gravis UltraSound GF1 Patch File

.pat

Raster Image

Pattern File

.pb

Developer

PureBasic Source File

.pbb

Backup

AT&T Phonebook File

.pbd

Data

ProBID+ Data File

.pbf

Audio

Pinnacle Sample Bank

.pbi

Compressed

PC BSD Installer Package

.pbm

Raster Image

Portable Bitmap Image

.pbp

Game

PSP Firmware Update File

.pbproj

Developer

Project Builder Project

.pc

Data

Personal Composer File

.pc1

Raster Image

Degas Elite Low Res Image File

.pc2

Raster Image

Degas Elite Medium Res Image File

.pc3

Raster Image

Degas Elite High Res Image File

.pc3

Settings

AutoCAD Plotter Configuration File

.pc6

Vector Image

PowerCADD 6 Drawing File

.pc7

Vector Image

PowerCADD 7 Drawing File

.pca

Audio

Perfect Clarity Audio

.pcap

Data

Packet Capture Data

.pcb

Data

Printed Circuit Board Design File

.pcc

Game

Mass Effect 2 Package

.pcd

Raster Image

Kodak Photo CD Image File

.pcf

Backup

PaintCAD Font

.pcg

Audio

Korg Instrument Bank File

.pch

Developer

Precompiled Header File

.pcm

Audio

Pulse Code Modulation

.pcr

Data

PCMark Vantage Benchmark File

.pct

Page Layout

Picture File

.pcv

Compressed

Mozilla Profile Backup

.pcx

Raster Image

Paintbrush Bitmap Image File

.pd

Image

FlexiSIGN 5 Plotter Document

.pd4

Data

Windows Live Photo Gallery Information File

.pd5

Data

Windows Live Photo Gallery Information File

.pdas

Data

PDAStore Data Store File

.pdb

Data

Program Database

.pdb

Data

Protein Data Bank File

.pdb

Data

Palm Desktop Database File

.pdb

Backup

PowerDesigner Database Backup File

.pdc

Encoded

Lizard Safeguard Secure PDF File

.pdd

Raster Image

Adobe PhotoDeluxe Image

.pdd

Data

Medtronic Programmer Data File

.pdf

Page Layout

Portable Document Format File

.pdg

Image

Print Designer GOLD File

.pdi

Disk

InstantCopy Disc Image

.pdl

Developer

Perl Data Language File

.pdm

Developer

VB Project Information File

.pdm

Data

PowerDesigner Database File

.pdn

Raster Image

Paint.NET Image File

.pdr

System

Windows Port Driver

.pds

Video

PowerDirector Project File

.pds

Data

Planetary Data System File

.pdx

Data

Adobe Acrobat Index File

.pdx

Data

Product Data eXchange File

.pe4

Raster Image

PhotoImpact Image Archive

.pe4

Raster Image

Photo Explorer Thumbnail Archive

.pea

Compressed

PEA File Archive

.peak

Audio

Steinberg Peak File

.peb

Data

ProEST+ Buildings File

.pec

Data

Brother Embroidery File

.pef

Raster Image

Pentax Electronic File

.peg

Game

Peggle Replay File

.pegn

Game

Peggle Nights Replay File

.pem

Web

Privacy Enhanced Mail Certificate

.pen

Settings

Paint Shop Pro Pen Preset File

.pep

Data

TurboProject Project File

.pes

Misc

Brother Embroidery Format

.pet

Compressed

Puppy Linux Install Package

.pex

Executable

ProBoard Executable File

.pex

Data

Merak Peep Data File

.pf

Data

Windows Prefetcher File

.pf

Compressed

Private File

.pfa

Font

Printer Font ASCII File

.pfb

Font

Printer Font Binary File

.pfc

Data

AOL Personal File Cabinet

.pff

Page Layout

Formatta Portable Form File

.pfg

Developer

jEEPers Program Configuration File

.pfl

Data

Family Lawyer Document

.pfl

Page Layout

PDFill Project File

.pfl

Plugin

PhotoFiltre Plugin

.pfm

Font

Printer Font Metrics File

.pfr

Image

Paint Shop Pro Picture Frame

.pfr

Font

Portable Font Resource File

.pfx

Text

First Choice Word Processing Document

.pfx

System

PKCS #12 Certificate File

.pgi

Video

Video Recording File

.pgm

Raster Image

Portable Gray Map Image

.pgn

Game

Portable Game Notation File

.pgp

Misc

PGP Security Key

.ph

Developer

Perl Header File

.ph

Settings

AOL Phone Home Settings File

.phb

Data

Motorola Phone Book File

.phb

Settings

PhtotoBase Album File

.phm

Data

Pro Home Manager Data File

.phn

Game

Algodoo Phun Phunlet

.php

Web

Hypertext Preprocessor File

.php3

Web

PHP 3 Web Page

.php4

Web

PHP 4 Web Page

.php5

Web

PHP 5 Web Page

.phtm

Web

PHP-Based Web Page

.phtml

Web

PHP Web Page

.phy

Audio

PhyMod Physical Modeling Data

.phya

Game

Aleph One Physics File

.phz

Game

Algodoo Phun Compressed Phunlet

.pi

Data

Pi Calculation Data File

.pi1

Raster Image

Degas Low Resolution Image File

.pi2

Raster Image

Portrait Innovations Photo

.pi2

Raster Image

Degas Medium Resolution Image File

.pi3

Raster Image

Degas High Resolution Image File

.pi4

Image

DEGAS Image

.pi5

Image

DEGAS Image

.pi6

Image

DEGAS Image

.pic

Image

Houdini Raster Image

.pic

Raster Image

Generic Picture File

.pic

Image

QuickTime PICT Image

.picnc

Image

Houdini 3D Compositing Image

.pict

Raster Image

Picture File

.pictclipping

Image

Picture Clipping

.pid

System

Creative Driver File

.pid

Misc

Process ID

.pie

Settings

GlovePIE Controller Script

.pif

Executable

Program Information File

.pig

Game

Descent Texture File

.pig

Game

Pirates of the Burning Sea Data File

.pim

Compressed

PIM Archive

.pip

Settings

Office Personalized Settings File

.pis

Data

PS2DIS Project File

.pit

Compressed

PackIt Compressed Archive

.piv

Video

Pivot Stickfigure Animation

.pix

Image

Alias PIX Image

.pix

Raster Image

BRL-CAD Raw Image File

.piz

Compressed

Zipped File

.pjt

Text

FoxPro Project Memo

.pjx

Data

FoxPro Project

.pk

Audio

Audition Peak File

.pk2

System

Silkroad Online Game Data File

.pk3

Game

Id Software Game Mod File

.pka

Data

Packet Tracer Activity File

.pkb

Data

Oracle Package Body File

.pkg

Compressed

Mac OS X Installer Package

.pkg

3D Image

CoCreate OneSpace Modeling Package File

.pkg

Game

PlayStation Store Downloaded Package

.pkg

Settings

Symbian Package File

.pkh

Data

Oracle Package File

.pkm

Game

Pokemon Saved Game Data File

.pks

Data

Oracle Package Spec File

.pkt

Data

Packet Tracer Network Simulation Model

.pl

Developer

Perl Script

.pl

Developer

Prolog Source Code File

.pl

Vector Image

Unix Color Plot File

.pl0

3D Image

3D Home Architect Foundation Floor Plan

.pl1

Developer

PL/I Source Code

.pl1

Game

Adventure Maker Plug-in

.pl1

3D Image

3D Home Architect Floor Plan

.pl2

3D Image

3D Home Architect Second Level Floor Plan

.pla

Audio

Sansa Playlist File

.pla

Misc

iriver iQuickList File

.pla

3D Image

ArchiCAD Project Archive

.playlist

Video

CyberLink PowerDVD Playlist

.playset

Misc

Souptoys Playset File

.plc

Developer

PL/B Source File

.ple

Developer

Messenger Plus! Live Encrypted Log File

.plg

Plugin

Sibelius Plug-in

.pli

Developer

PL/I Source Code File

.plist

Settings

Mac OS X Property List File

.pln

Data

Spaceman Planogram File

.pln

3D Image

ArchiCAD Project File

.pln

Game

Flight Simulator Flight Plan

.pln

Plugin

InDesign Plug-in

.pls

Audio

Audio Playlist

.pls

Settings

PicoLog Settings File

.plsc

Executable

Messenger Plus! Live Script File

.plsk

Misc

Messenger Plus! Live Skin Pack

.plt

Vector Image

AutoCAD Plotter Document

.plt

Vector Image

HPGL Plot File

.plugin

Plugin

Mac OS X Plug-in

.plw

Data

PicoLog Data File

.plx

Executable

Perl Executable File

.ply

Image

Polygon Model File

.pm

Developer

Perl Module

.pm

Raster Image

Unix XV Graphic File

.pm3

Raster Image

PageMaker 3 Document

.pm4

Page Layout

PageMaker 4 Document

.pm5

Page Layout

PageMaker 5.0 Document

.pm6

Page Layout

PageMaker 6.0 Document

.pmc

Settings

Performance Monitor Counter File

.pmd

Page Layout

PageMaker Document

.pmf

Video

PSP Movie File

.pmg

Vector Image

PageMaker Group File

.pmj

Settings

Pegasus Mail Configuration File

.pmo

Misc

Pegasus Saved Message File

.pmo

Data

Broderbund Print Meta Object File

.pmp

Settings

AutoCAD Plot Model Parameter File

.pmr

Data

Performance Monitor Report

.pna

Audio

PhatNoise Audio File

.pnf

Misc

Precompiled INF File

.png

Raster Image

Portable Network Graphic

.pni

Raster Image

Popnoggin Image File

.pnproj

Data

Programmer's Notepad Project File

.pnpt

Data

Programmer's Notepad Project Template

.pns

Data

Popnoggin Subject File

.pnt

Data

Popnoggin Theme File

.pnt

Raster Image

MacPaint File

.pntg

Raster Image

MacPaint Graphic File

.pnz

Misc

Panorama Database Set

.po

Developer

Portable Object

.pod

Data

OpenProj Project File

.pod

Game

Terminal Reality Game Data File

.pod

Developer

Perl POD File

.pof

Game

Descent Robot Definition File

.pog

Game

Descent 2 Texture Modification

.poi

Data

Magellan Maestro Point of Interest File

.pol

System

Windows Policy File

.pom

Developer

Maven Build File

.pos

Data

Trimble Position File

.postal

Data

TomTom Postal Code File

.pot

Data

PowerPoint Template

.pot

Developer

Portable Object File

.potm

Data

PowerPoint Open XML Macro-Enabled Presentation Template

.potx

Data

PowerPoint Open XML Presentation Template

.pov

Image

POV-Ray Raytracing Format

.pov

Image

Prolab Object File

.pp2

Data

PingPlotter Data File

.pp2

3D Image

Poser Prop File

.pp4

Raster Image

Picture Publisher Bitmap File

.pp5

Raster Image

Picture Publisher 5 Image File

.ppa

Plugin

PowerPoint Add-in

.ppam

Plugin

PowerPoint 2007 Add-In

.ppd

System

PostScript Printer Description File

.ppf

Data

Transit NXT Pack Project File

.ppf

Raster Image

Picture Publisher Image File

.ppf

Misc

Paint Shop Pro Soft Plastic Preset File

.ppf

Data

Publisher Project File

.ppf

Game

PlayStation Patch Format File

.ppf

Data

Edgecam Pathtrace Part File

.ppl

Developer

Free Pascal Dynamic Library

.ppm

Raster Image

Portable Pixmap Image File

.ppm_b

Misc

Nokia PPM Flash File

.ppp

Page Layout

Page Plus Publication

.pps

Data

PowerPoint Slide Show

.ppsm

Misc

PowerPoint Open XML Macro-Enabled Slide Show

.ppsx

Data

PowerPoint Open XML Slide Show

.ppt

Data

PowerPoint Presentation

.pptm

Data

PowerPoint Open XML Macro-Enabled Presentation

.pptx

Data

PowerPoint Open XML Document

.ppu

Developer

Free Pascal Unit File

.ppx

Page Layout

PagePlus Template File

.ppz

3D Image

Compressed Poser Prop File

.pqhero

Game

Puzzle Quest Saved Game

.pqi

Disk

PowerQuest Drive Image

.pra

Settings

Windows Media 9 Plug-in Profile File

.prb

Misc

xyAlgebra Probabilities File

.prc

Data

Mobipocket eBook File

.prc

3D Image

Product Representation Compact File

.prc

Misc

Corel Presentation

.prc

Executable

Palm Resource Code File

.pre

Data

Lotus Freelance Graphics File

.pref

Settings

Macintosh Preferences File

.prefpane

System

Mac OS X System Preference Pane

.prel

Video

Premiere Elements Project File

.prf

Data

Plot Station Plot Request File

.prf

Settings

Outlook Profile File

.prf

Settings

Director Preferences File

.prf

System

Windows System File

.prf

Settings

ClarisWorks Preference File

.prf

Settings

FileNet eForms Form Preferences File

.prg

Executable

FoxPro Program

.prg

Developer

RAPID Program File

.prg

Executable

Program File

.prg

Audio

Akai MPC2000 Program File

.prg

Audio

WAVmaker Program File

.prj

Data

AIMMS Project File

.prj

Data

Project File

.prk

Game

Thrillville Park File

.prm

Plugin

Premiere Plug-in

.prm

Data

Route 66 Map File

.prn

Page Layout

Printable File

.pro

Video

ProPresenter Export File

.profimail

Settings

ProfiMail Settings File

.propdesc

Settings

Property Description

.properties

Settings

Java Properties File

.prproj

Video

Premiere Pro Project

.prs

Data

Harvard Graphics Presentation

.prs

Settings

Batch & Print Pro Printer Settings File

.prs

Misc

PlayStation Radio Player Location

.prt

Misc

Presentations Template

.prt

3D Image

Unigraphics Part File

.prt

3D Image

Pro/ENGINEER Part File

.prt

3D Image

Solid Edge Part File

.prt

Text

Crypt Edit Protected Text Format File

.prt

System

Printer Driver File

.prt

Text

Printer Output File

.prw

Raster Image

Artlantis Shader Preview File

.prx

Settings

Windows Media Profile

.prx

Game

PSP Plugin File

.ps

Vector Image

PostScript File

.ps1

Executable

Windows PowerShell Cmdlet File

.psa

3D Image

Unreal Engine Skeletal Animation File

.psa

Data

Photoshop Album Catalog

.psa

Backup

Plesk Backup File

.psar

Misc

PSP Update File

.psb

Raster Image

Photoshop Large Document Format

.psd

Raster Image

Photoshop Document

.psf

Audio

Portable Sound File

.psf

Data

GPS Prediction Support File

.psf

Raster Image

PhotoStudio File

.psf

Data

SPI Proxy Output File

.psf

Settings

Photoshop Proof Settings File

.psf

Misc

HP-UX Product Specification File

.psf

Data

PID Script File

.psg

Page Layout

Page Segment File

.psh

Video

Photodex Slide Show

.psi

Misc

PrimalScript Online Help Shortcut

.psid

Vector Image

PostScript Image Data File

.psk

3D Image

Unreal Engine Skeletal Mesh File

.psm

Audio

Protracker Studio Module

.psm

Data

Prism Document

.psm

3D Image

Solid Edge Sheet Metal File

.psp

Web

PL/SQL Server Page

.psp

Raster Image

Paint Shop Pro Image File

.pspd

Data

PhotoSuite 5 Project File

.pspimage

Image

Paint Shop Pro Image

.pss

Game

Playstation 2 Game Video File

.pss

Misc

Picture and Sound Show File

.pst

Data

Outlook Personal Information Store File

.psv

Game

Playstation 2 Save File

.psw

Text

Pocket Word Document

.psw

Misc

Windows Password Reset Disk File

.ptb

Data

Power Tab File

.ptf

Audio

Pro Tools 7 Session File

.ptf

Settings

PSP Theme File

.ptf

Data

Scrapbook Flair Template

.ptg

Raster Image

ArtRage Painting

.pth

Misc

4D Path Document

.ptk

Data

Quicken Online Financial Data File

.ptl

Developer

Rational Rose Petal File

.ptm

Audio

PolyTracker Module

.ptm

Data

MapPoint Map File

.ptn

Data

PaperPort Thumbnail File

.ptr

Misc

Desktop Flash Intro Project File

.pts

Audio

Pro Tools Session

.ptt

Data

MapPoint Map Template

.ptx

Raster Image

Paint Shop Pro Texture File

.ptx

Raster Image

Pentax RAW Image File

.ptx

Page Layout

E-Transcript File

.ptz

Data

E-Transcript Bundle File

.pub

Page Layout

Publisher Document

.pub

Web

Public Key File

.pup

Compressed

Puppy Linux DotPup Installer Package

.pup

Compressed

PlayStation 3 Update File

.puz

Compressed

Packed Publisher File

.pva

Video

PVA Video File

.pvc

Backup

Parallels Desktop Copied Configuration File

.pvc

Audio

Panasonic VM1 Voice File

.pvd

Executable

Instalit Script

.pvj

Text

ProofVision Job Ticket

.pvl

Data

Instalit Library

.pvm

Text

Photo Video Manifest File

.pvm

Disk

Parallels Virtual Machine

.pvm

Misc

HP Photo Album

.pvr

Raster Image

POWERVR Texture File

.pvr

Video

Wintal PVR Video File

.pvs

Settings

Parallels Desktop Configuration File

.pwa

Compressed

Password Agent File

.pwc

Executable

PictureTaker File

.pwd

Data

Solid Edge Weldment Document

.pwf

Game

Counter-Strike PODBot Waypoint File

.pwi

Text

Pocket Word Document

.pwl

System

Windows Password List

.pwn

Developer

Pawn Source Code File

.pwp

Raster Image

PhotoWorks Image File

.pwrep

Misc

Password Repository File

.pws

Image

Print Workshop Image

.px

Raster Image

Pixel Image File

.pxc

Data

Photodex Cache File

.pxf

Data

Transit XV Pack Project File

.pxi

Disk

PlexTools Disc Image

.pxj

Data

RecordNow Project

.pxl

Data

Pocket Excel File

.pxm

Raster Image

Pixelmator Image File

.pxp

Game

Counter-Strike PODBot Experience File

.pxr

Raster Image

Pixar Image File

.pxv

Video

Pixbend Media File

.py

Developer

Python Script

.pyc

Executable

Python Compiled File

.pyd

Developer

Python Dynamic Module

.pym

Developer

PYM Macro Preprocessor File

.pyo

Executable

Python Optimized Code

.pyw

Developer

Python GUI Source File

.pz2

3D Image

Poser Pose File

.pz3

3D Image

Poser Scene File

.pzl

Game

Tibo Jigs@w Puzzle File

.pzp

Game

Tibo Jigs@w Compressed Puzzle File

.pzp

Raster Image

PhotoSuite Project File

.pzz

3D Image

Compressed Poser Scene File

Q File Extensions File types with extensions that start with the letter Q. Extension

File Type

File Description

.q07

Data

QuickTax 2007 Tax Return

.q08

Data

QuickTax 2008 Tax Return

.q09

Data

QuickTax 2009 Tax Return

.q1q

Plugin

LunarCell Photoshop Plug-in

.q2q

Plugin

Flexify Photoshop Plug-in

.q3d

Data

Quest3D Project File

.q4q

Plugin

Solar Cell Photoshop Plug-in

.q5r

Plugin

Melancholytron Photoshop Plug-in

.q7q

Plugin

India Ink Photoshop Plug-in

.q8r

Plugin

Flood Photoshop Plug-in

.q9r

Plugin

Glitterato Photoshop Plug-In

.q9s

Plugin

Mr. Contrast Photoshop Plug-In

.qbb

Backup

QuickBooks Backup File

.qbk

Backup

QuickTax Backup File

.qbm

Backup

QuickBooks Portable Company File

.qbo

Web

QuickBooks Online Banking Statement File

.qbw

Data

QuickBooks Data File

.qbx

Backup

QuickBooks Accountant Transfer File

.qcp

Audio

PureVoice Audio File

.qda

Compressed

Quadruple D Archive

.qdat

Data

QuickTime Install Cache File

.qdf

Data

Snapform File

.qdf

Page Layout

Label Matrix Label Design

.qdf

Data

Quicken Data File

.qdfm

Data

Quicken Data File (Macintosh)

.qdl

Text

QDL Program

.qdp

Data

Quick and Dandy Plotter File

.qdp

Game

MPQDraft Plugin File

.qel

Data

Quicken Electronic Library

.qf

Settings

Nokia Maps Version File

.qf

Web

Qompose Web Page Template

.qfx

Data

Quicken Financial Exchange File

.qic

Backup

Windows Backup File

.qif

Image

QuickTime Image File

.qif

Data

Quicken Interchange Format File

.qit

Executable

QIT Trojan Horse File

.qlgenerator

Plugin

Quick Look Generator File

.qpb

Data

Quicken Payroll File

.qpf

Data

Quest3D Project

.qpf

Data

Quartus II Project File

.qph

Data

Quicken Price History File

.qpm

Data

Quick Pallet Maker Input Data

.qpr

Developer

FoxPro Generated Query Program

.qpw

Data

Quattro Pro Spreadsheet

.qpx

Executable

FoxPro Compiled Query Program

.qpx

Plugin

QuickTime Player Extension

.qrm

Web

Qworum Message File

.qrp

Data

QuSoft QuickReports File

.qsd

Data

Quicken Data File

.qsf

Backup

Qualtrics Survey File

.qss

Settings

Qt Style Sheet

.qt

Video

Apple QuickTime Movie

.qtch

Video

QuickTime Cache File

.qti

Raster Image

QuickTime Image File

.qtif

Raster Image

QuickTime Image File

.qtl

Video

QuickTime Link File

.qtp

Settings

QuickTime Preferences File

.qtr

Plugin

QuickTime Extension Resource

.qtx

Plugin

QuickTime Extension

.qtz

Video

Quartz Composer File

.qvm

System

Q Virtual Machine

.qvm

Game

Quake III Virtual Machine File

.qwd

Game

QuakeWorld Demo File

.qx

Developer

Quexal Source Code

.qxd

Page Layout

QuarkXPress Document

.qxl

Misc

QuarkXPress Library

.qxp

Page Layout

QuarkXPress Project File

.qxt

Page Layout

QuarkXPress Template

R File Extensions File types with extensions that start with the letter R. Extension

File Type

File Description

.r

Developer

Mac OS X Resource File

.r

Developer

R Script File

.r

Audio

Right Audio Channel File

.r

Developer

REBOL Script

.r0

Compressed

WinRAR Compressed Archive

.r00

Compressed

WinRAR Compressed Archive

.r01

Compressed

WinRAR Split Archive Part 1

.r02

Compressed

WinRAR Split Archive Part 2

.r03

Compressed

WinRAR Split Archive Part 3

.r1

Compressed

WinRAR Multi-Volume Archive Part 1

.r1m

Audio

RealOne Streaming Media File

.r2

Compressed

WinRAR Multi-Volume Archive Part 2

.r30

Compressed

WinRAR Split Archive Part 30

.ra

Audio

Real Audio File

.rad

Text

Radar ViewPoint Radar Data

.raf

Raster Image

Fuji RAW Image File

.ral

Data

WinRail Track Design File

.ram

Audio

Real Audio Media

.rar

Compressed

WinRAR Compressed Archive

.ras

Game

Remedy Archive System File

.ras

Raster Image

Sun Raster Graphic

.ratdvd

Disk

RatDVD Disk Image

.raw

Audio

Raw Audio Data

.raw

Raster Image

Raw Image Data File

.rax

Audio

Real Music Store Audio File

.ray

Image

Rayshade Image

.rb

Developer

Ruby Source Code

.rb

Developer

REALbasic Project

.rb

Settings

Rosebud Profile

.rbc

Backup

Retrospect Backup Catalog File

.rbc

Developer

Rembo-C Script

.rbf

Backup

Retrospect Backup File

.rbf

Backup

Windows Installer Rollback File

.rbk

Backup

Windows 95 Registry Backup File

.rbp

Developer

REALbasic Project

.rbs

Backup

Windows Installer Rollback Script

.rbs

Audio

Rebirth Song File

.rbt

Data

Lego MINDSTORMS NXT Program

.rbx

Executable

Rembo-C Compiled Script

.rbxl

Game

ROBLOX Location

.rbxm

Game

ROBLOX Model

.rc

Developer

Resource Script

.rcd

Data

Arcade File

.rcg

Data

Recog Character Recognition Set

.rcl

Disk

Easy CD and DVD Creator 6 Project

.rco

System

PlayStation Portable Resource File

.rcproject

Video

iMovie '08 Project

.rdb

Video

Wavelet Video Images File

.rdb

Data

N64 ROM Database

.rdb

Backup

Retrospect Backup Set

.rdf

Disk

PowerProducer Disc Image

.rdf

Settings

Resource Description Framework File

.rdf

Data

Report Definition File

.rdl

Vector Image

MicroStation Redline File

.rdo

Settings

Xerox Rawster Document Object File

.rdp

Settings

Remote Desktop Configuration File

.rds

Image

Ray Dream Studio Scene File

.rdx

Data

Reflex Data File

.readme

Text

Readme File

.reb

Developer

REBOL Script File

.rec

Video

Topfield PVR Recording

.ref

Data

Microsoft Train Simulator Reference File

.reg

System

Registry File

.reg

Settings

Registration Information File

.rel

Data

Norton Internet Security Log File

.rels

Page Layout

Open Office XML Relationships File

.rem

Misc

BlackBerry Encrypted Data File

.rep

Game

StarCraft Replay File

.rep

Game

Grand Theft Auto Replay File

.res

Developer

Windows Resource File

.res

Developer

C++ Complied Resource File

.ret

Data

BusinessObjects Template

.rev

Compressed

RAR Recovery Volume Set

.rex

Audio

ReCycle Loop File

.rez

Plugin

Escape Velocity Plug-in File

.rez

Game

Lithtech Game Engine Resource File

.rf1

Data

Retirement Forecast File

.rfa

Data

Revit Family File

.rfa

Game

Battlefield 1942 Game Package

.rfb

Misc

RoboForm Bookmark File

.rfc

Misc

RoboForm Contact File

.rfl

Audio

Reason ReFill Sound Bank

.rfm

Game

rFactor Modification File

.rfn

Misc

RoboForm Safenote File

.rfo

Data

RoboForm Option File

.rfp

Misc

RoboForm Passcard File

.rfq

Settings

RoboForm SearchCard File

.rft

3D Image

Revit Family Template File

.rft

Text

Revisable Form Text Document

.rft

Misc

RoboForm Identity File

.rgb

Raster Image

Q0 Image File

.rgb

Raster Image

RGB Bitmap

.rge

Data

Entourage File Archive

.rgn

Data

Garmin Regional Map File

.rgo

Data

RepliGo File

.rgp

Game

RealArcade Game Package

.rgs

Executable

Registry Script

.rhp

Plugin

Rhino Plug-in

.rhtml

Web

Ruby HTML Web Page

.ric

Raster Image

NXT Image File

.rif

Raster Image

Raster Image File

.ris

Text

Research Information Systems Citation File

.rise

Developer

RISE Editor Model File

.rix

Image

ColorRIX Bitmap Graphic

.rjs

Web

Ruby Javascript File

.rjs

Misc

RealJukebox Skin File

.rk

Compressed

WinRK File Archive

.rkp

Game

Rockchip MP4 Player Game

.rle

Raster Image

Run Length Encoded Bitmap

.rll

Settings

Microsoft Resource Library

.rm

Video

Real Media File

.rmf

Audio

Rich Music Format

.rmi

Audio

RMID MIDI File

.rmj

Audio

Real Media Jukebox Audio File

.rmm

Audio

RAM Meta File

.rmr

Misc

ResumeMaker File

.rms

Settings

Java Application Settings File

.rms

Video

Secure Real Media File

.rmt

System

Router Firmware File

.rmuf

Data

Alpha Five Runtime License File

.rmvb

Video

RealMedia Variable Bit Rate File

.rmx

Audio

RealJukebox Format

.rnc

Developer

RELAX NG Compact Syntax File

.rnc

Compressed

RNC ProPack Archive

.rnd

Misc

Random Hash Data File

.rnd

Misc

PGP Random Seed File

.rng

Text

RELAX NG File

.rng

Audio

Nokia Composer Ringtone

.rnq

Data

Renque Model File

.rns

Audio

Reason Song File

.rnx

Settings

RealPlayer Settings File

.rod

Data

Actuate Report Object Design File

.rog

Data

Roger 2 Input Data File

.roi

Data

Shark Sales System Data File

.roi

Data

Report Object Instance

.rol

Audio

Ad Lib Synthesized Instrument

.rom

Misc

Read Only Memory Image

.rom

Game

N64 Game ROM File

.roq

Video

Id Software Game Video

.rot

Game

Homeworld 2 Graphics File

.rou

Data

Gerber Route File

.rov

Misc

Report Object Variable

.rox

Executable

Actuate Report Object Executable File

.rp

Video

RealPix Clip

.rp2

Game

RetroPlatform Player Program Archive

.rp9

Compressed

RetroPlatform Disk Image Archive

.rpb

Settings

Radmin Phonebook File

.rpj

Executable

Real Pac Batch Job File

.rpk

Settings

RadLight Media Player Skin

.rpl

Game

Toribash Replay File

.rpm

Compressed

Red Hat Package Manager File

.rpm

Plugin

RealPlayer Plug-in

.rpp

Data

REAPER Project File

.rps

Settings

3ds Max Render Preset Settings

.rpt

Data

Crystal Reports File

.rpt

Text

Generic Report

.rpy

Game

Touhou Project Replay File

.rrr

Settings

Rhapzodé Resource Repository

.rrr

Backup

Registry Mechanic Backup File

.rrt

Data

Rhapzode Resource Template

.rsb

Image

Red Storm Bitmap File

.rsc

Data

Symbian Application Compiled Resource File

.rsd

Data

RealSQLDatabase File

.rsdf

Encoded

RapidShare Download File

.rsm

Page Layout

WinWay Resume Deluxe Resume File

.rsn

Audio

Reason Project File

.rso

Audio

NXT Brick Audio File

.rsr

Raster Image

Poser Model Preview File

.rsrc

Developer

Macintosh Resource File

.rss

Web

Rich Site Summary

.rss

Developer

Symbian Application Resource File

.rst

Text

reStructuredText File

.rsv

Data

RSView32 Project File

.rsw

Data

R&R SQL Report Writer Report File

.rt

Text

RealText Streaming Text File

.rtc

Misc

Live Meeting Connection File

.rtd

Text

RagTime Document

.rte

Data

Revit Project Template

.rte

Compressed

RTE Encoded File

.rte

Data

Navigation Route

.rtf

Text

Rich Text Format File

.rtfd

Text

Rich Text Format Directory File

.rti

Audio

Real Tracker Instrument

.rtm

Audio

Real Tracker Module

.rtm

Misc

LabVIEW Run-Time Menu File

.rtp

Misc

TurboTax Update File

.rts

Video

RealPlayer Streaming Media

.rts

Video

QuickTime Real-Time Streaming Format

.rts

Audio

Real Tracker Sample

.rts

Settings

RoyalTS Remote Connection File

.rtx

Text

Rich Text Document

.ru

Developer

JavaSoft JRE 1.3 Library

.ruf

System

Samsung DVD and Blu-ray Player Firmware File

.rul

Developer

InstallShield Rules

.rum

Video

Bink Video Subtitle File

.run

Text

Runscanner Scan File

.run

Game

Rune Map File

.rv

Video

Real Video File

.rvproj

Game

RPG Maker VX Project File

.rvt

Data

Revit Project File

.rw3

Web

RapidWeaver 3 Site File

.rwg

Data

Random Word Generator Project File

.rwp

Web

RapidWeaver Package

.rwsw

Web

RapidWeaver Site File

.rxdata

Game

RMXP Data File

.rxe

Executable

Lego Mindstorms NXT Executable Program

.rz

Compressed

Rzip Compressed File

.rzb

Data

Red Zion Book File

.rzk

Text

File Crypt Password File

.rzk

Encoded

Red Zion Key File

.rzn

Text

Red Zion Notes File

.rzs

Compressed

Red Zion Security File

.rzx

Encoded

File Crypt Encrypted File

S File Extensions File types with extensions that start with the letter S. Extension

File Type

File Description

.s

3D Image

Microsoft Train Simulator Shape File

.s

Developer

Source Code File

.s00

Compressed

ZipSplitter Part 1 Archive

.s01

Compressed

ZipSplitter Part 2 Archive

.s02

Compressed

ZipSplitter Part 3 Archive

.s19

Developer

Motorola S19 File Record

.s3i

Audio

Scream Tracker 3 Instrument

.s3m

Audio

ScreamTracker 3 Module

.s7z

Compressed

Mac OS X 7-Zip File

.s85

Data

Sabre Airline Solutions Chart

.sa9

Plugin

Hue and Cry Photoshop Plug-In

.sab

3D Image

ACIS SAB Model File

.sad

Game

Black & White Audio File

.saf

Audio

Secure Audio File

.saf

Data

Street Atlas USA Map File

.saf

Text

SafeText File

.safetext

Text

SafeText File

.sam

Text

Ami Pro Document

.sam

Audio

MOD Edit Sample File

.sam07

Data

SAM 2007 Package

.sar

Image

Saracen Paint Graphic

.sar

Compressed

Service Archive File

.sar

Data

Sibelius Arrange Style

.sas

Developer

SAS Program File

.sat

3D Image

ACIS SAT Model File

.sav

Backup

Parallels Desktop Saved State Image File

.sav

Data

SPSS Data File

.sav

Game

Saved Game

.save

Text

Nano Temporary Save File

.saveddeck

Web

Nokia Saved Web Page

.savedsearch

System

Spotlight Saved Search

.saver

System

Mac OS X Screen Saver

.sb

Developer

Small Basic Source Code File

.sb

Developer

Scratch Project File

.sb

Audio

Signed Byte Audio File

.sbd

Data

Superbase Data Definition File

.sbf

Data

SmartBroker Data

.sbf

Data

Superbase Database File

.sbg

Audio

SBaGen Binaural Beat File

.sbi

Audio

Sound Blaster Instrument

.sbk

Video

SWiSH Project Backup File

.sbk

Page Layout

Scrapbook Factory File

.sbk

Misc

Multimedia ToolBook System Book

.sbk

Audio

E-MU SoundFont Sound Bank

.sbq

Data

Superbase QuickReports File

.sbt

Video

SBT Subtitle File

.sbt

Data

Superbase Data Notes File

.sbv

Settings

YouTube Captions File

.sbv

Page Layout

Superbase Form Definition File

.sbx

Data

ESRI Spatial Index File

.sc

Developer

SuperCollider Source Code File

.sc2

Audio

Sample Cell II Instrument Definition

.sc4

Game

Sim City 4 Saved File

.sca

Executable

Scala Script File

.sca

Data

Norton AntiVirus Scan File

.scar

Executable

SCAR Script

.scb

Executable

Scala Published Script

.scc

Text

Scenarist Closed Caption File

.scd

Misc

TurboTax Schedule Description

.scea

Game

Aleph One Map File

.scf

Data

DNA Sequence Chromatogram File

.scf

System

Windows Explorer Command

.scf

Game

SimTown Sounds File

.scg

Image

ColorRIX Bitmap Graphic

.sch

Data

EAGLE Schematics File

.sci

Raster Image

ColorRIX Bitmap Graphic

.scm

Game

StarCraft Map File

.scm

Plugin

GIMP Script-Fu Script

.scm

Video

Super Chain Media File

.scm

Video

ScreenCam Screen Recording

.scm

Text

Schema File

.scn

Video

Pinnacle Studio Scene File

.scn

Game

SimCity Scenario File

.scn

Game

Age of Mythology Scenario File

.scp

Image

ColorRIX Bitmap Graphic

.scpt

Executable

AppleScript Script File

.scr

System

Windows Screensaver

.scr

Executable

Script File

.script

Executable

Generic Script File

.scs

Game

Simcity Societies Save Game File

.sct

Text

FoxPro Form Memo

.sct

Executable

Windows Script Component

.sct

Raster Image

Scitex Continuous Tone File

.scu

Image

ColorRIX Bitmap Graphic

.scv

Vector Image

ScanVec CASmate Sign File

.scw

Text

Movie Magic Screenwriter Document

.scw

Misc

Score Writer Document

.scx

Game

Game Scenario File

.scx

Misc

FoxPro Form

.scx

Game

Microsoft Game Scenario File

.sd

Audio

Sound Designer Audio File

.sd

Audio

ESPS Sampled Data File

.sd2

Audio

Sound Designer II File

.sda

Image

OpenOffice.org Draw Document

.sdb

Data

ServerBoss Database File

.sdb

Data

OpenOffice.org Base Database File

.sdb

3D Image

SAP2000 Model File

.sdb

Data

MonKey Office SQLite Database File

.sdb

Web

SocialDecks Blog File

.sdb

System

Custom Application Compatibility Database

.sdc

Backup

Stardock Central Download Archive

.sdc

Compressed

Secure Download Cabinet

.sdc

Data

OpenOffice.org Calc Spreadsheet

.sdd

Misc

StarOffice Presentation

.sdf

Data

SQL Server Compact Database File

.sdf

Data

Standard Data File

.sdf

Data

Spatial Data Format File

.sdi

Disk

Windows System Deployment Image

.sdm

Image

Spatial Data Modeling Language File

.sdm

Text

StarOffice Mail Message

.sdn

Compressed

Shareware Distributors Network File

.sdp

Data

Session Description Protocol File

.sdq

Data

SAS Data File

.sdr

Image

SmartDraw Drawing

.sds

Data

OpenOffice.org Chart

.sds

Data

SDS Apps Data File

.sds

Audio

MIDI Sample Dump Standard File

.sdt

Game

Grand Theft Auto III Audio File

.sdt

Page Layout

SmartDraw Template File

.sdw

Text

StarOffice Writer Text Document

.sdx

Audio

Sample MIDI Dump Exchange

.sea

Compressed

Self-Extracting Archive

.sec

Misc

PGP Secret Key Ring

.seed

Executable

Linux Preseed File

.sef

Encoded

Encryptafile Signature File

.seg

Audio

Eragon Audio File

.sen

Data

SenTest Data File

.sen

Compressed

Scifer Internal Header Archive

.seo

Data

SEO Note File

.seq

Data

DNA Sequence Text File

.ser

Data

GeneMapper Project File

.ses

Audio

Audition Session

.session

3D Image

CATIA 4 Session File

.set

Settings

Document Library Property Set File

.set

Settings

Settings File

.sew

Misc

Home Embroidery Format

.sf

Audio

IRCAM Sound File

.sf2

Audio

SoundFont 2 Sound Bank

.sfcache

Misc

ReadyBoost Cache File

.sfd

Game

Sofdec Dreamcast Movie

.sff

Image

Structured Fax Format

.sfk

Audio

Sound Forge Audio Peak File

.sfl

Audio

Sound Forge Sound Data File

.sfo

Settings

CuteFTP Search File

.sfo

Game

PSP Game Parameters File

.sfs

Compressed

SquashFS File Archive

.sfv

Misc

Simple File Verification File

.sfvidcap

Video

Sonic Foundry Video Capture File

.sfw

Raster Image

Seattle FilmWorks Image

.sfx

Compressed

Windows Self-Extracting Archive

.sgb

Game

Dawn of War Map File

.sgb

Game

Super Game Boy ROM File

.sgi

Image

Silicon Graphics Image File

.sgm

Text

SGML File

.sgml

Data

Standard Generalized Markup Language File

.sgn

Data

Slax Boot File

.sh

Compressed

Unix Shell Archive

.sh

Developer

Bash Shell Script

.sh3d

3D Image

Sweet Home 3D Design File

.sh3f

3D Image

Sweet Home 3D Model Library

.shar

Compressed

Unix Shar Archive

.shb

Executable

Windows Document Shortcut

.shg

Raster Image

Segmented Hyper-Graphic

.shk

Compressed

ShrinkIt Archive

.shn

Audio

Shorten Compressed Audio File

.shortcut

Misc

Asutype Shortcut

.shp

3D Image

Shapes File

.shp

Data

ESRI Shapefile

.shpa

Game

Aleph One Shape File

.shr

Compressed

Unix Shell Archive File

.shs

Data

Microsoft Scrap File

.sht

Web

HTML File with Server Side Includes

.shtm

Web

HTML Server Side Include File

.shtml

Web

Server Side Include HTML File

.shw

Misc

Corel Presentation

.shx

Data

Shapefile Index File

.shx

Misc

Motorola Flash Superfile

.shy

Encoded

ShyFile Encrypted File

.si

Image

Softimage Image Format

.sib

Audio

Sibelius Score

.sid

Audio

Commodore 64 Music File

.sid

Audio

SID Audio File

.sid

Image

MrSID Image

.sif

Settings

Windows Setup Information File

.sig

Text

Signature File

.sig

Image

Broderbund Sign File

.sim

Data

SAP Tutor File

.sim

Raster Image

Aurora Image

.simg

Disk

Synclavier Disk Image File

.sims2pack

Game

Downloaded Sims 2 Package File

.sims3pack

Game

The Sims 3 Package File

.sis

Misc

Symbian Installation File

.sisx

Misc

Symbian OS Installation File

.sit

Compressed

Stuffit Archive

.site

Web

GoLive Website Project File

.sitx

Compressed

Stuffit X Archive

.sk2

Vector Image

ChemSketch Drawing

.skb

Backup

SketchUp Backup Document

.skc

Data

SideKick Card File

.ski

Settings

Motorola Phone Skin File

.skin

Settings

InstallShield Skin File

.skindex

Misc

Mail Index File

.skl

3D Image

Maya Skeleton File

.skn

Settings

Symbian OS Skin File

.skp

3D Image

SketchUp Document

.skr

Misc

PGP Private Keyring

.skv

Data

Semicolon Separated Values File

.skv

Data

XLANG Schedule Drawing File

.skx

Data

XLANG Schedule File

.skz

Settings

SuperKaramba Theme

.sl

Settings

Software License File

.slb

Misc

AutoCAD Slide Library

.sld

Raster Image

AutoCAD Slide File

.sldasm

3D Image

SolidWorks Assembly File

.slddrt

Vector Image

SolidWorks Sheet File

.slddrw

Vector Image

SolidWorks Drawing File

.sldprt

3D Image

SolidWorks Part File

.sle

Data

Sisulizer Package File

.slf

Misc

Symantec License File

.slk

Data

Symbolic Link File

.sln

Developer

Visual Studio Solution File

.slp

Data

Sisulizer Project File

.sls

Text

Image Playlist

.slt

Settings

Mozilla User Profile Folder

.sm

Game

StepMania Song File

.sma

Developer

AMX Mod Plugin Source File

.smc

Game

Super Nintendo Game ROM

.smd

Game

Sega Mega Drive ROM

.smf

Audio

Standard MIDI File

.smi

Disk

Self-Mounting Disk Image

.smi

Video

SMIL Presentation

.smil

Video

SMIL Presentation File

.smk

Video

Smacker Compressed Movie File

.sml

Video

SMIL Slideshow Presentation

.smm

Misc

Ami Pro Macro

.smp

Audio

SampleVision Audio Sample Format

.smp

Image

Xionics SMP Image Format

.sms

Text

Exported SMS Text Message

.sms

Game

Sega Master System ROM File

.smv

Video

VideoLink Mail Video File

.smzip

Game

StepMania Package

.sn1

Backup

Drive Snapshot First Differential Backup

.sn2

Backup

Drive Snapshot Second Differential Backup

.sna

Backup

Drive Snapshot Primary Backup File

.snapfireshow

Data

Corel SnapfireShow File

.snd

Audio

Macintosh Sound Resource

.snd

Audio

Sound File

.snd

Audio

Akai MPC Sample

.snda

Game

Aleph One Sound File

.sng

Audio

MIDI Song File

.snippet

Developer

Visual Studio IntelliSense Code Snippet

.snm

Misc

Netscape Mail Index

.snp

Page Layout

Access Report Snapshot

.so

Developer

Shared Library

.sol

Settings

Flash Local Shared Object File

.sonic

Data

DigitalMedia Project File

.sopt

Disk

Synclavier Optical Disk Image File

.sou

Audio

SBStudio II Sound File

.soundpack

Data

SoundPackager Sound Package

.sp

Page Layout

SignPlot Traffic Sign File

.sparsebundle

Disk

Mac OS X Sparse Bundle

.sparseimage

Disk

Mac OS X Sparse Image

.spc

Image

Spectrum 512 Compressed Image

.spd

Encoded

Sealed Acrobat Document

.spdf

Encoded

Sealed PDF

.spe

Raster Image

WinSpec CCD Capture File

.spf

Backup

ShadowProtect Full Backup File

.spf

Settings

SlingPlayer Favorites File

.spg

Backup

TCP Optimizer Backup File

.spi

Backup

ShadowProtect Incremental Backup File

.spiff

Image

Still Picture Interchange File Format

.spl

Video

FutureSplash Animation

.spo

Data

SPSS Statistical Data Output File

.spp

Raster Image

PhotoPlus Picture File

.sppack

Audio

SPPack Sound Sample

.spr

Executable

FoxPro Generated Screen File

.spr

Game

Half-Life Sprite File

.sprg

Audio

Synclavier Program File

.sprite

Game

SuperTux Sprite File

.sps

Data

SPSS Program File

.spt

Developer

ESPL Programming File

.spt

Compressed

TM File Packer Compressed Archive

.spt

3D Image

SpeedTree Tree Data File

.spu

Image

Spectrum 512 Image

.spub

Data

Disc Cover File

.spv

Data

SPSS Output File

.spx

Audio

Ogg Vorbis Speex File

.sq

Data

Sysquake Program

.sqb

Backup

SQL Backup SQL Server Backup File

.sqd

Data

SQ Data File

.sqfs

Disk

Squash FS Bootable File

.sql

Data

Structured Query Language Data

.sqlite

Data

SQLite Database File

.sqm

Misc

Service Quality Monitoring File

.sqm

Game

Operation Flashpoint Mission File

.sqr

Data

SQL Program File

.sqx

Compressed

SQX Archive

.sqz

Compressed

Squeezed Video File

.sr

Image

Sun Raster Image File

.sr0

Misc

SecuROM Analysis File

.src

Developer

Source Code

.srf

Web

Server Response File

.srf

Raster Image

Sony Raw Image File

.srm

Game

Super Nintendo ROM Save File

.srs

Settings

Outlook Send/Receive Settings File

.srt

Video

SubRip Subtitle File

.ssa

Text

Sub Station Alpha Subtitle File

.ssc

Developer

SourceSafe Status File

.ssd

Misc

WindowBlinds Skin File List

.sseq

Audio

Synclavier Sequence File

.ssf

Data

Trimble Standard Storage Format File

.sslf

Misc

HLSW Shared Server List File

.ssm

Video

Standard Streaming Metafile

.ssnd

Audio

Synclavier Sound File

.sss

Settings

WindowBlinds Substyle File

.sst

Misc

Serialized Certificate Store File

.ssw

Misc

Sony Ericsson Firmware File

.st

Disk

Atari ST Disk Image

.sta

Data

ABAQUS Status File

.stb

Settings

AutoCAD Plot Style Table File

.stc

Data

StarOffice Calc Spreadsheet Template

.std

Misc

CD/DVD Label Template

.std

Image

StarOffice Drawing Template

.ste

Settings

Dreamweaver Site Settings File

.ste

Raster Image

Samsung IPOLIS Image File

.step

3D Image

STEP 3D Model

.stf

Data

Exchange 2000 Server Temporary File

.stf

Settings

Microsoft Setup Table File

.stg

Backup

ActiveSync Backup File

.sth

Misc

Lotus Domino Stash File

.sti

Misc

StarOffice Presentation Template

.stk

Data

Stickfigure Animator File

.stl

Data

Fireworks Style Library

.stl

Web

Certificate Trust List

.stl

3D Image

Stereolithography File

.stm

Data

Exchange Streaming Media File

.stm

Web

SSI Web Page

.stm

Audio

Scream Tracker 2 Module

.stmb

Misc

Synclavier Timbre File

.stml

Web

SSI HTML File

.sto

3D Image

PRO100 3D Interior Design Project

.stp

3D Image

STEP 3D CAD File

.stp

Data

Analysis Studio Project Information File

.stp

Web

SharePoint Template

.str

Data

dBASE Structure List Object File

.str

System

Windows Screensaver File

.str

Video

PlayStation Video Stream

.strings

Text

Text Strings File

.stt

Data

Streets & Trips Map Template

.stu

Data

Pinnacle Studio Project File

.stw

Text

StarOffice Text Document Template

.stw

Data

STATISTICA Workbook

.stx

Audio

Scream Tracker Music Interface Kit File

.stx

Video

Pinnacle Studio Project File

.sty

Audio

Yamaha/Korg Keyboard Style

.sty

Text

LaTeX Style

.styk

Data

Stykz Stick Figure

.stykz

Data

Stykz Animation

.style

Settings

ArcGIS Style Manager File

.style

Settings

SketchUp Style

.sub

Game

SubTerra Level File

.sub

Text

Subtitle File

.sud

Developer

Super Project Analyzer File

.sud

Game

Sudoku Puzzle File

.suf

Encoded

Ccrypt Encrypted File

.suit

Font

Macintosh Font Suitcase

.sun

Image

Sun Raster Graphic

.suniff

Image

Sun TAAC Graphic

.suo

Developer

Visual Studio Solution User Options File

.sup

Image

Subtitle Bitmap File

.sup

Developer

Super Project Definition File

.sv2i

Backup

Symantec System Index File

.sv5

Game

BigJig Saved Puzzle

.sv6

Game

RollerCoaster Tycoon 2 Saved Game

.svc

Web

IIS Special Content File

.svg

Vector Image

Scalable Vector Graphics File

.svgz

Vector Image

Compressed SVG File

.svi

Video

Samsung Video File

.svn-base

Developer

Subversion Base File

.svn-work

Misc

Subversion Cache File

.svr

Web

Compressed Virtual World

.svs

Game

Game Boy Advance Saved State File

.svx

Audio

8SVX Sound File

.sw

Audio

Signed Word Audio File

.sw2

Settings

Softwrap License File

.swa

Audio

ShockWave Audio

.swc

Game

Super Nintendo Wild Card ROM File

.swc

Developer

Flex Components Archive

.swd

Developer

Flash Debug File

.swf

Video

Flash Movie

.swi

Video

SWiSH Project File

.switch

Encoded

Switch Package

.swk

Data

StudyWorks Save File

.swm

Disk

Split Windows Imaging Format File

.swp

System

Swap File

.swt

Video

Flash Generator Template

.swv

Game

Microsoft Sidewinder Game Voice Settings File

.sxc

Data

StarOffice Calc Spreadsheet

.sxd

Image

StarOffice Drawing

.sxi

Data

StarOffice Impress Presentation

.sxm

Misc

StarOffice Math File

.sxw

Text

StarOffice Writer Text Document

.sy3

Data

Harvard Graphics Symbol File

.syh

Audio

Synchomatic Instrument

.sys

System

Motorola Driver File

.sys

System

Windows System File

.system

Game

Vega Strike Virtual System File

.syw

Audio

Yamaha SY99/SY85 Audio File

.syx

Audio

MIDI System Exclusive Message

.sz

Settings

Winamp Classic Skin Download

T File Extensions File types with extensions that start with the letter T. Extension

File Type

File Description

.t

Developer

Turing Source Code File

.t$m

Misc

AVG Internet Security Temporary File

.t01

Data

TaxCut 2001 File

.t02

Data

TaxCut 2002 File

.t03

Data

TaxCut 2003 File

.t04

Data

TaxCut 2004 File

.t05

Data

TaxCut 2005 Tax Return

.t06

Data

TaxCut 2006 Tax Return

.t07

Data

TaxCut 2007 Tax Return

.t08

Data

TaxCut 2008 Tax Return

.t09

Data

At Home 2009 Tax Return

.t2

Data

Textease 2000 File

.t3001

Data

TARGET 3001! Circuit Design Project File

.t3d

3D Image

Unreal Engine 3D Object File

.t3d

Settings

TicTacTi Advertisement Definition File

.t3x

Plugin

TYPO3 Compressed Extension

.t64

Disk

Commodore 64 Tape Image File

.taac

Image

Sun TAAC Graphic

.tab

Text

Tab Separated Data File

.tab

Text

Guitar Tablature File

.tag

Misc

DataFlex Query Tag

.tao

Disk

Track at Once CD/DVD Image

.tap

Game

Tap Tap Revenge Tap File

.tap

Disk

Commodore 64 Cassette Tape Image

.tar

Compressed

Consolidated Unix File Archive

.tar.gz

Compressed

Tarball File

.tar.xz

Compressed

XZ Compressed Tar Archive

.targets

Developer

MSBuild Targets File

.tax

Misc

TurboTax Tax Return

.tax2008

Data

TurboTax 2008 Tax Return

.tax2009

Data

TurboTax 2009 Tax Return

.taz

Compressed

Tar Zipped File

.tb

Data

Tabbery Tab File

.tbk

Data

ToolBook File

.tbk

Backup

FoxPro Memo Backup

.tbl

Data

StarCraft Information Table

.tbm

Game

Toribash Mod File

.tbs

Misc

TuneUp Utilities Boot Screen

.tbz

Compressed

Bzip Compressed Tar Archive

.tbz2

Compressed

Tar BZip 2 Compressed File

.tc

Disk

TrueCrypt Volume

.tcc

Data

TimeCalc Classic Data File

.tcc

Developer

C++ Source Code File

.tcd

Vector Image

Technobox CAD Drawing

.tcl

Developer

Tcl Script

.tcp

Executable

Tally Compiled Program File

.tct

3D Image

TurboCAD Drawing Template

.tcw

Image

TurboCAD Drawing File

.tcx

Data

Training Center Database File

.tcx

3D Image

TurboCAD 3D Model Text File

.td0

Disk

Teledisk Archive

.td0

Audio

Akai Teledisk Sound Library

.tda

Data

Palm To-Do File

.tda

Data

Java Application Thread Dump

.tda3mt

Video

DivX Author Template File

.tdb

Backup

eBay Turbo Lister Backup File

.tddd

Image

3D Data Description

.tdf

Text

Xserve Test Definition File

.tdf

Settings

Title Definition Format File

.tdf

Text

Guide Text Definition File

.tdl

Misc

MathType Translator Definition Language

.tdl

Data

Tab Delineated Format File

.tdm

Data

LabVIEW Binary Measurement File

.tds

Developer

Turbo Debugger Symbols File

.tdt

Data

FirstBreak Concrete Test File

.tdt

Data

THOR Data Tree File

.te

Data

Textease CT Database File

.te3

Data

WinTrack Object File

.teacher

Data

Senteo Teacher Database File

.ted

Game

Tribes 2 Game Data File

.tef

Data

TablEdit Tablature

.temp

Misc

Temporary (Temp) File

.tet

Data

Textease CT Template

.tex

Text

LaTeX Source Document

.tex

Raster Image

Texture File

.text

Text

Plain Text File

.tfa

Data

TreeSoft CashFlow Analysis Data File

.tfd

Data

Tape Format Requirements Document

.tfmx

Audio

Final Music System Tracker Module

.tfrd

Data

Tape Image Format Requirements Document

.tfw

Image

World File for TIFF

.tg

Compressed

Gzip Compressed Tar Archive

.tg4

Raster Image

Tiled Group 4 Raster Image File

.tga

Raster Image

Targa Graphic

.tgz

Compressed

Gzipped Tar File

.the

Settings

Microsoft Plus! Theme File

.theme

Settings

GTK Theme Index File

.theme

System

Microsoft Plus! Desktop Theme

.themepack

Settings

Windows 7 Theme Pack

.thm

Misc

Sony Ericsson Theme File

.thm

Executable

Thermwood Macro File

.thm

Raster Image

Thumbnail Image File

.thm

Image

Video Thumbnail File

.thmx

Settings

Office 2007 Theme File

.thp

Text

TurboTax Text String

.thumb

Raster Image

JAlbum Thumbnail File

.thx

Audio

Amiga THX Tracker Music File

.tib

Disk

Acronis True Image File

.tif

Raster Image

Tagged Image File

.tiff

Raster Image

Tagged Image File Format

.tim

Game

The Incredible Machine Level

.tip

Misc

TuneUp Utilities Icon Package

.tiprogram

Developer

TI-Basic Program File

.tivo

Video

TiVo Video File

.tix

Video

DivX Video Download Activation File

.tjp

Raster Image

Tiled JPEG File

.tjp

Data

TaskJuggler Project File

.tk

Developer

Tk Script

.tk3

Data

TK3 Multimedia eBook

.tkfl

Data

TKLinks Saver Favorite Links File

.tla

Misc

TuneUp Utilities Startup Logo

.tlb

Text

VAX Text Library

.tlb

Misc

OLE Type Library

.tlc

Vector Image

The Logo Creator File

.tlg

Backup

QuickBooks Transaction Log File

.tls

Misc

TuneUp Utilities Logon Screen

.tlz

Compressed

Tar LZMA Compressed File

.tlzma

Compressed

LZMA Compressed Tar Archive

.tm

Text

TeXmacs Document

.tmb

Misc

Timbuktu Pro Connection Document

.tmp

Backup

Temporary File

.tms

Executable

Telemate Script

.tmw

Data

Translation Memory Data File

.tmx

Text

Translation Memory eXchange File

.tn1

Image

Tiny Image (Low Resolution)

.tn2

Image

Tiny Image (Medium Resolution)

.tn3

Image

Tiny Image (High Resolution)

.tnef

Misc

Transport Neutral Encapsulation Format

.tny

Image

Atari Tiny Image

.toast

Disk

Toast Disc Image

.toc

Misc

Eudora Table of Contents

.toc

Game

World of Warcraft Add-on Table of Contents File

.toc

Audio

PSP Audio File

.toc

Disk

Brasero Table of Contents File

.tod

Video

JVC Everio Video Capture File

.tol

Data

AOL Tool File

.topc

Data

TopicCrunch Project File

.torrent

Misc

BitTorrent File

.tp

Video

Beyond TV Transport Stream File

.tp0

Video

Mascom PVR Video File

.tp3

Page Layout

Harvard Graphics DOS Template File

.tpb

Data

GROMACS Binary Input File

.tpc

Text

Topic Connection Placeholder

.tpf

Data

Transit NXT Pack Translation File

.tpi

Plugin

EDIUS Plugin File

.tpi

Raster Image

TrueVision Bitmap Image

.tpl

Misc

Document Template

.tpm

Misc

Trusted Platform Module Password File

.tpm

Misc

Transformation Parameters Model File

.tpr

Video

TMPGEnc Project File

.tps

Data

Multi Channel Measurement File

.tps

Misc

Clarion TopSpeed Data File

.tpu

Developer

Turbo Pascal Unit

.tpx

Developer

Turbo Pascal 7 Unit

.tr3

Data

TomeRaider eBook File

.tra

Data

WinTrack Railroad Track File

.trc

Misc

Oracle Trace File

.trd

Data

TrID Definitions Package

.trif

Image

Tiled Raster Interchange Format

.trk

Data

CompeGPS Land Track File

.trk

Data

Garmin Track File

.trk

Game

Pacific Fighters Offline Track File

.trp

Video

HD Video Transport Stream

.trs

Data

Rosetta Stone Language Data

.trs

Data

WinTrack Railroad Track Text File

.truck

3D Image

Rigs of Rods Truck Definition File

.trx

Data

Firmware Image File

.trx

Settings

PASSOLO Translation List File

.trx

Data

WebAuthorize Batch File

.trx

Developer

Microsoft MSTest Results File

.ts

Video

Video Transport Stream File

.tsk

Settings

Pocket PC Skin

.tsm

Settings

TwinCAT System Manager Configuration File

.tsp

Audio

TrueSpeech Audio File

.tst

Data

TestPoint Test File

.tstream

Misc

SwarmPlayer Streaming Torrent

.tsv

Data

Tab Separated Values File

.tsz

Settings

Trillian Skin File

.ttc

Font

TrueType Font Collection

.ttf

Font

TrueType Font

.ttk

Data

Catalyst Translation Toolkit

.ttx

Misc

Trados TagEditor File

.tu

Developer

Turing Source File

.tub

Misc

Paint Shop Pro Picture Tube

.tur

Developer

Turing Program Source File

.tvj

Text

TrueView Job Ticket

.tvl

Misc

TurboTax File

.tvpi

Web

TitanTV Television Listing File

.tvs

Video

TeamViewer Video Session File

.tvvi

Web

TitanTV Television Listing File

.twc

Settings

TTWin Configuration File

.twt

Game

Carmageddon 2 Data File

.txa

Data

Midas ViewPoint Text Array List

.txd

Data

Game Texture Dictionary

.txf

Data

Tax Exchange Format

.txf

Data

Transit XV Pack Translation File

.txt

Text

Plain Text File

.txw

Audio

Yamaha TX16W Audio File

.txz

Compressed

XZ Compressed Tar Archive

.typeit4me

Settings

TypeIt4Me Clippings File

.tz

Compressed

Zipped Tar Archive

.tzx

Disk

ZX Spectrum Tape Image File

U File Extensions File types with extensions that start with the letter U. Extension

File Type

File Description

.u

Audio

AU Audio File

.u

Image

Subsampled Raw YUV Image

.u

Game

Unreal Tournament Class Package

.u3d

3D Image

Universal 3D File

.u3i

Text

U3 Application Information File

.u3p

Executable

U3 Smart Application

.uax

Game

Unreal Audio Package

.ub

Audio

Unsigned Byte Audio File

.uc

Game

UnrealScript Class

.uc2

Compressed

UltraCompressor 2 Archive

.uccapilog

Data

Microsoft UCC API Log File

.ucf

Web

WebEx Media File

.uci

Backup

UFS Explorer Backup File

.ud

Data

OmniPage User Dictionary

.udb

Data

Dynamics AX User Database File

.udeb

Data

Debian Package File

.udf

Executable

Excel User Defined Function

.uds

Data

Uniform Data System File

.uds

Data

Sierra Generations File

.ufo

Raster Image

Ulead File Object

.ufs

Disk

FreeBSD Unix File System File

.ufs.uzip

Compressed

Compressed Unix File System File

.uha

Compressed

UHarc Compressed Archive

.ui

Developer

User Interface File

.uibak

Disk

UltraISO Backup Disk Image

.uif

Disk

Universal Image Format Disc Image

.uis

Settings

WindowBlinds User Interface Specification

.ukx

Game

Unreal Animation Package

.ulaw

Audio

Raw u-Law Audio File

.ulf

Data

Universal List File

.uls

Misc

NetMeeting User Location Service File

.ult

Audio

UltraTracker Module

.ulw

Audio

u-Law Audio File

.ulz

Data

USBlyzer Data Capture File

.umod

Game

Unreal Tournament Module File

.umx

Game

Unreal Music Package

.unauth

Text

SiteMinder Unauthorized Message File

.uni

Audio

MikMod UniMOD Module

.unity

Game

Unity Scene File

.unity3d

Game

Unity Scene Web Player File

.unk

Misc

Unknown File

.unknown

Misc

Unknown File Type

.unr

Game

Unreal Level Map

.unx

Text

Unix Text File

.uop

Game

Ultima Online Patch File

.upd

Text

Program Update Information

.update

Data

ISAPI Update File

.upk

Game

Unreal Engine 3 Package

.upoi

Data

iGO Points of Interest File

.upx

Executable

Ultimate Packer for eXecutables File

.url

Web

Internet Shortcut

.urt

Image

Utah Raster Toolkit File

.usa

Game

Unreal Saved Game File

.userprofile

Settings

Norton Antivirus User Profile File

.usf

Audio

Nintendo 64 Music File

.usflib

Audio

Nintendo 64 Song Library

.usr

Data

FileMaker Pro Database File

.usx

Game

Unreal Static Meshes

.ut2

Game

Unreal Tournament Map

.ut2mod

Game

Unreal Tournament 2003/2004 Module File

.ut3

Game

Unreal Tournament 3 Map File

.ut4mod

Game

Unreal Tournament 2004 Module

.utc

Game

Bioware Creature File

.utf8

Text

Unicode UTF8-Encoded Text

.utx

Game

Unreal Texture Package

.utxt

Text

Unicode Text File

.utz

Settings

UIQ Theme Package

.uu

Encoded

Uuencoded File

.uud

Encoded

UUDecoded File

.uue

Encoded

Uuencoded File

.uvf

Data

Uncertain Value Format

.uvx

Game

Unreal Tournament 2003 Saved Game

.uw

Audio

Unsigned Word Audio File

.uwf

Audio

UltraTracker Wave File

.uwl

Data

User Word List File

.uxx

Game

Unreal Tournament Cache

.uzip

Compressed

FreeBSD Compressed Disk Image

V File Extensions File types with extensions that start with the letter V. Extension

File Type

File Description

.v

Image

Subsampled Raw YUV Image

.v2i

Backup

Norton Ghost Virtual Volume Image

.v3d

3D Image

Visual3D.NET Data File

.v64

Game

Nintendo 64 ROM Dump

.vac

Developer

Oc2.316s Cakit File

.vag

Audio

PlayStation Compressed Sound File

.val

Audio

Olympus Voice Recording

.val

Data

Values List

.val

Data

Valodas Dictionary File

.vaporcd

Disk

Norum Vapor CD

.var

Developer

Variable Data

.vb

Executable

VBScript File

.vb

Game

Virtual Boy ROM File

.vbd

Web

Visual Basic ActiveX Document

.vbe

Executable

VBScript Encoded Script File

.vbg

Developer

Visual Basic Project Group File

.vbp

Developer

Visual Basic Project File

.vbpf1

Data

Virtual Business - Personal Finance Data File

.vbproj

Developer

Visual Studio Visual Basic Project

.vbs

Executable

VBScript File

.vbscript

Executable

Visual Basic Script

.vbt

Misc

Spyware Doctor Temporary Scan File

.vbt

Misc

iAntiVirus Temporary Scan File

.vbx

Developer

Visual Basic Custom Control

.vbz

Developer

Visual Basic Project Template

.vc

Developer

Verge Code File

.vc1

Video

VC-1 Video File

.vc3

Audio

VSampler Soundbank File

.vc4

Developer

Visual C++ 4 File

.vc4

Disk

Virtual CD Disk Image

.vcd

Disk

FarStone Virtual Drive

.vcd

Disk

Virtual CD

.vcd

Data

Value Change Dump File

.vce

Data

Visual CertExam Exam File

.vcf

Data

vCard File

.vcm

Game

Vice City Mod Manager File

.vcpref

Settings

Norton Antivirus Preferences File

.vcproj

Developer

Visual C++ Project File

.vcr

Video

ATI Video Card Recording

.vcs

Data

vCalendar Event File

.vct

Text

Visual Class Library Memo

.vcv

Video

ViewCave Video File

.vcx

Developer

Visual Fox Pro Class Library

.vda

Raster Image

Targa Bitmap Image File

.vdb

Data

Symantec Virus Database File

.vdf

Game

Gothic Game Data File

.vdf

Plugin

VirtualDub Video Filter

.vdi

Disk

Virtuo CD Manager Disk Image

.vdi

Disk

VirtualBox Virtual Disk Image

.vdm

Developer

VEDIT Macro File

.vdm

Developer

VDM Specification File

.vdo

Executable

Heathen Virus File

.vdo

Video

VDOLive Media File

.vdproj

Developer

Visual Studio Deployment Project File

.vdr

Video

VirtualDub Signpost File

.vdx

Data

Visio Drawing XML File

.veg

Video

Vegas Video Project

.vem

Compressed

Virtual Expander Compressed File

.vem

Video

Meta Media Video E-Mail File

.ver

Misc

Version Record

.vexe

Executable

Virus Executable File

.vf

Video

Vegas Movie Studio Project File

.vfc

Page Layout

VentaFax Cover Page File

.vff

Raster Image

Sun TAAC Graphic File

.vfs

Misc

Virtual File System Index

.vfs

Data

VentaFax Schedule File

.vfw

Video

Video for Windows

.vfz

Video

Creative Webcam Video Effects File

.vga

System

VGA Display Driver

.vgc

Developer

ViziGen Code Generation Template

.vgd

System

Generic CADD VGA Driver

.vgz

Video

DigitalVDO Compressed Video File

.vhd

Disk

Virtual PC Virtual Hard Disk

.vhd

Developer

VHDL Source File

.vi

Data

LabVIEW Virtual Instrument File

.vic

Image

VICAR Image

.vic

Developer

ViziGen Code Import Mappings File

.vid

Video

Generic Video File

.viewlet

Video

Qarbon Viewlet

.viff

Image

Visualization Image File Format

.vip

Data

Stitch Pattern File

.vir

Misc

Virus-Infected File

.vis

Game

Visibility Image File

.viv

Game

PlayStation Video File

.viv

Video

VivoActive Video File

.vivo

Video

VivoActive Video File

.vlab

Video

VisionLab Studio Project File

.vle

Data

Virtual Labs Electricity Circuit File

.vlg

Data

VentaFax Logbook File

.vlp

Web

LiveSite Project

.vlt

Encoded

WinVault File Archive

.vlx

Executable

Compiled AutoLISP File

.vmd

Audio

Covox Raw Sample

.vmdk

Disk

Virtual Machine Disk File

.vmf

Audio

Covox Speech Thing Sample

.vmf

Game

Valve Map File

.vmf

Audio

Vocaltec Media File

.vmg

Misc

Nokia Text Message

.vml

Vector Image

Vector Markup Language File

.vmt

Data

Valve Material File

.vmtm

Settings

VMware Team Data File

.vmwarevm

Disk

VMware Fusion Virtual Machine

.vmx

Settings

VMWare Configuration File

.vmx

Game

Valve Map Backup File

.vmx

Settings

Cubase Mixer Settings File

.vna

Image

JVC JLIP Image

.vnc

Settings

VNC Configuration File

.vnd

Vector Image

Type3 Design File

.vnf

Font

Vision Numeric Font

.vnt

Text

Mobile Phone vNote File

.vob

Game

Live for Speed Car File

.vob

Video

DVD Video Object File

.voc

Audio

Creative Labs Audio File

.voi

Data

VOI Group File

.voi

Audio

Voyetra Voice File

.vok

Data

PocketVok Vocabulary File

.vol

Game

Video Game Archive

.vol

Misc

Volfs File System Directory

.vor

Misc

StarOffice Template

.vox

Audio

VoxWare Dialogic Audio File

.vp3

Video

On2 Streaming Video File

.vp6

Video

TrueMotion VP6 Video File

.vp7

Video

TrueMotion VP7 Video File

.vpa

Misc

VPchat Chat Gestures File

.vpc

Developer

ViziGen Configuration File

.vpc7

Misc

Virtual Machine Package

.vph

Settings

VirtualPhotographer Custom Settings

.vpl

Audio

Karaoke Player Playlist

.vpm

Misc

Vox Proxy Macro File

.vpm

Audio

Garmin Voice File

.vqf

Audio

TwinVQ Audio File

.vrd

Data

Visio Report Definition File

.vrf

Audio

Ventrilo Audio Recording

.vrl

3D Image

VRML Virtual World

.vrml

Web

VRML File

.vro

Video

DVD Video Recording Format

.vs

Misc

Vivid Include File

.vscontent

Data

Visual Studio Content File

.vsd

Vector Image

Visio Drawing File

.vsdisco

Web

DISCO Dynamic Discovery Document

.vsi

Compressed

Visual Studio Content Installer File

.vsp

Video

VideoStudio Project File

.vspscc

Developer

Visual Studio Project Source Control File

.vss

Raster Image

Visio Stencil File

.vssscc

Developer

Visual Studio Solution Source Control File

.vst

Raster Image

Targa Bitmap Image

.vst

Plugin

VST Audio Plugin

.vst

Image

Visio Drawing Template

.vsw

Settings

Visio Workspace File

.vsx

Data

Visio Stencil XML File

.vtf

Game

Valve Texture File

.vtf

3D Image

3DESIGN CAD File

.vtx

Data

Visio Template XML File

.vtx

3D Image

Anim8or 3D Model

.vue

Settings

FoxPro 2.x View Settings

.vue

3D Image

E-on Vue Scene File

.vvd

3D Image

Vivid 3D Scanner Element File

.vw

Text

Volkswriter Text File

.vwx

3D Image

VectorWorks 2008 Design File

.vxd

System

Virtual Device Driver

.vxml

Data

VoiceXML File

.vyf

Audio

Samsung Digital Voice Recorder File

W File Extensions File types with extensions that start with the letter W. Extension

File Type

File Description

.w

Developer

OpenEdge Architect Source Code File

.w01

Audio

Yamaha SY Series Wave File

.w02

Data

Split Archive File

.w32

Video

WinCAPs Subtitle File

.w3g

Game

Warcraft 3 Replay File

.w3m

Game

Warcraft III Map File

.w3n

Game

Warcraft III Expansion Campaign File

.w3x

Game

Warcraft III Expansion Map FIle

.w3z

Game

WarCraft III Saved Game File

.wab

Data

Windows Address Book

.wad

Compressed

Compressed Game Data

.wad

Game

Wally Game Texture Archive

.wagame

Game

Worms Armageddon Game Recording

.wal

Game

Quake 2 Texture File

.wal

Misc

Winamp Modern Skin

.war

Compressed

Java Web Archive

.wav

Audio

WAVE Audio File

.wav

Audio

DTS-WAV File

.wave

Audio

WAVE Sound File

.wax

Audio

Windows Media Audio Redirect

.wb1

Data

Corel Quattro Pro File

.wb1

Raster Image

Webshots Picture File

.wb2

Data

Corel Quattro Pro File

.wb3

Data

Corel Quattro Pro 7 and 8 File

.wba

Misc

WindowBlinds Compressed Skin

.wbc

Raster Image

Webshots Collection File

.wbd

Raster Image

Webshots Picture File

.wbk

Backup

Word Document Backup

.wbk

Text

WordPerfect Workbook

.wbmp

Raster Image

Wireless Bitmap Image File

.wbt

Game

Toribash Help File

.wbz

Raster Image

Webshots Download Picture File

.wcd

Data

Works Calendar File

.wcf

Text

WebEx Saved Chat Session

.wcm

Misc

Microsoft Works Communications Script

.wcm

Executable

WordPerfect Macro

.wcp

Video

WinDVD Creator Project File

.wcz

Settings

Chameleon Clock Wallpaper File

.wdb

Data

Microsoft Works Database

.wdgt

System

Dashboard Widget

.wdgt

Web

Opera Widget

.wdl

Developer

World Definition Language Script

.wdp

Raster Image

Windows Media Photo File

.wdq

Data

Offline Explorer Queue File

.wea

Data

Ecotect Weather File

.web

Raster Image

Xara Web Format

.webarchive

Web

Safari Web Archive

.webloc

Web

Mac OS X Website Location

.wer

System

Windows Error Report

.wfb

Audio

WaveFront Sound Bank

.wfc

Settings

Windows Wireless Network Settings FIle

.wfd

Audio

WaveFront Drum Kit File

.wfd

Data

Wayfinder Map File

.wfm

Data

dBASE Form

.wfp

Audio

WaveFront Program File

.wgf

Game

Widelands Game File

.wgp

Data

Web Gallery Project

.wgs

Image

Walk-Graph Segment

.wgt

Web

Opera Widget File

.wgt

Data

IMPS Data File

.wgt

Data

XNBC Synaptic Weights File

.wgz

Text

S60 Web Runtime Widget Package

.whtt

Web

HTTrack Website Copier File

.wi

Raster Image

Wavelet Image

.wic

Image

J Wavelet Image

.widget

Executable

Yahoo! Widget

.wim

Disk

Windows Imaging Format File

.win

Backup

FoxPro Window Settings

.win

Backup

.windowslivecontact Data

Windows Backup File Windows Live Contacts File

.wiz

Executable

Microsoft Wizard File

.wjf

Backup

WinZip Job File

.wjr

Data

ReGet Deluxe Data File

.wk1

Data

Lotus Worksheet

.wk2

Data

Lotus 2 Worksheet

.wk3

Data

Lotus 3 Worksheet

.wk4

Data

Lotus 4 Worksheet

.wk5

Data

Lotus 5 Worksheet

.wke

Data

Lotus 1-2-3 Educational Version Worksheet

.wki

Data

Lotus 2 Worksheet

.wks

Data

Works Spreadsheet

.wks

Data

Lotus 1-2-3 Spreadsheet

.wku

Data

Lotus 1-2-3 Spreadsheet

.wl6

Game

Wolfenstein 3D Data File

.wlmp

Data

Windows Live Movie Maker Project File

.wm

Video

Windows Media File

.wma

Audio

Windows Media Audio File

.wmd

Video

Windows Media Download Package

.wmdb

Data

Windows Media Database File

.wmf

Vector Image

Windows Metafile

.wmf

Game

Widelands Map File

.wml

Web

Wireless Markup Language File

.wmmp

Video

Windows Movie Maker Project File

.wmo

Game

World of Warcraft World Map Object

.wmp

Image

Windows Media Photo File

.wms

Settings

Windows Media Skin

.wmv

Video

Windows Media Video File

.wmx

Video

Windows Media Redirector

.wmz

Settings

Compressed Windows Media Player Skin

.wn

Text

WriteNow Text Document

.wnk

Image

Wink Screen Capture

.woa

Web

WebObjects Application

.wor

Data

MapInfo Workspace File

.workflow

Executable

Automator Workflow

.wot

Compressed

Web Of Trust File

.wow

Audio

Grave Composer Music Module

.wp

Text

WordPerfect Document

.wp3

Video

Microsoft Photo Story Project File

.wp4

Text

WordPerfect 4 Document

.wp5

Text

WordPerfect 5 Document

.wp6

Text

WordPerfect 6 Document

.wp7

Text

WordPerfect 7 Document

.wpa

Text

ACT! Word Processing Document

.wpc

Data

Pazzles Cutting File

.wpc

Data

WordPad Converter File

.wpd

Text

602Text Word Processing Document

.wpd

Text

WordPerfect Document

.wpd

Text

ACT! 2 Word Processing Document

.wpf

Data

WordPerfect Form

.wpg

Vector Image

WordPerfect Graphic File

.wpk

Audio

Nero Wave Editor File

.wpk

Executable

WordPerfect Macro

.wpl

Misc

Windows Media Player Playlist

.wpl

Text

DEC WPS Plus Text Document

.wpm

Misc

WordPerfect Macro

.wpo

Data

Technopress Waypoint 2D File

.wpo

Data

HOLUX Waypoint File

.wpp

Web

Serif WebPlus Project

.wpp

Settings

WordPerfect Color Palette

.wproj

Audio

Wwise Project

.wps

Text

Kingsoft Writer Document

.wps

Text

Microsoft Works Word Processor Document

.wpt

Text

WordPerfect Template

.wpw

Text

WP Works Word Processor File

.wpx

System

Printer Description File

.wq1

Data

Quattro Pro for DOS Spreadsheet File

.wq2

Data

Quattro Pro for DOS Spreadsheet File

.wrf

Web

WebEx Recording

.wri

Text

Windows Write Document

.wrk

Audio

Cakewalk Music Project

.wrl

3D Image

VRML World

.wrp

3D Image

Geomagic 3D Wrap File

.wrpl

Game

Widelands Saved Game File

.wrpl.wgf

Game

Widelands Initial Saved Game File

.wrz

3D Image

VRML World

.ws

Executable

Windows Script

.wsc

Developer

Windows Script Component

.wsd

Text

WordStar Document

.wsdl

Web

Web Services Description Language File

.wsf

Executable

Windows Script File

.wsh

Text

Windows Script Host Settings

.wsi

Data

Wise Package Studio Installer Package

.wsm

Data

Wise Package Studio Merge Module

.wsz

Misc

Winamp Classic Skin

.wtb

Data

Win-Test Binary Log File

.wtd

Game

Grand Theft Auto IV Textures File

.wtf

Game

World of Warcraft Text File

.wtr

Data

Encarta File

.wtv

Video

Windows Media Center Video File

.wus

Audio

WUTG Tagged Audio File

.wut

Audio

WUTG Tag File

.wv

Audio

WavPack Audio File

.wvc

Audio

WavPack Correction File

.wvl

Raster Image

Wavelet Image

.wvx

Video

Windows Media Video Redirector

.wwd

Misc

Works Wizard File

.wwu

Audio

Wwise Work Unit

.wx

Game

Flight Simulator Weather File

.wz

Game

MapleStory Game Data File

.wz

Game

Warzone 2100 Data File

.wzmul

Misc

WinZip Registration File

X File Extensions File types with extensions that start with the letter X. Extension

File Type

File Description

.x

Developer

Lex Source Code File

.x32

Plugin

Adobe Xtra File

.x3d

Image

Xara3D Project

.x4k

Settings

XML4King Configuration File

.x64

Disk

Commodore 64 Disk Image

.xa

Disk

GEAR CD/DVD Disc Image

.xa

Audio

PlayStation Audio File

.xa

Audio

The Sims Audio File

.xaml

Developer

XAML File

.xap

Developer

XACT Project

.xap

Executable

Silverlight Application Package

.xar

Vector Image

Xara Xtreme Drawing

.xas

Data

Pro/ENGINEER Assembly Instance Accelerator File

.xbe

Game

Xbox Executable File

.xbk

Data

SMART Notebook File

.xbm

Image

X11 Bitmap Graphic

.xbsav

Game

Mass Effect 2 Xbox Saved Game

.xcf

Raster Image

GIMP Image File

.xcode

Developer

Xcode Project

.xcodeproj

Developer

Xcode Project

.xcu

Settings

OpenOffice.org Configuration File

.xdb

Data

Symantec Virus Database File

.xdb

Data

PowerDesigner Database Definition File

.xdl

Text

XML Schema File

.xdl

Text

Oracle Expert Definition Language File

.xdp

Data

XML Data Package

.xdr

Settings

XML-Data Reduced File

.xds

Game

DS Game Maker Project File

.xds

Data

LcdStudio Design File

.xdw

Page Layout

Fuji Xerox DocuWorks File

.xef

Compressed

WinAce Encrypted File

.xef

Data

eManager Form Data

.xem

Settings

eManager Metered Units

.xem

Data

PowerDesigner Model definition File

.xen

Game

Guitar Hero III Data File

.xep

Settings

eManager File Packaging Information

.xes

Settings

eManager Skins Definition

.xet

Settings

eManager Process Definition

.xev

Settings

eManager Auto-Update File

.xex

Game

Xbox 360 Executable File

.xez

Compressed

eManager Template Package

.xfd

Data

XFD File

.xfdl

Web

XFDL File

.xfl

Video

Flash Movie Archive

.xfn

Font

Ventura Printer Font

.xfo

Data

XSL-FO Formatted Form

.xfs

Audio

eRacer Sound File

.xft

Data

Adobe Form Designer 5.0 File

.xft

Font

ChiWriter Printer Font

.xgs

Settings

XACT Global Settings File

.xht

Web

XHTML File

.xhtml

Web

Extensible Hypertext Markup Language File

.xi

Audio

Fasttracker 2 Extended Instrument File

.xib

Developer

Interface Builder File

.xif

Image

ScanSoft Pagis File

.xl

Data

Excel Spreadsheet

.xla

Plugin

Excel Add-In File

.xlam

Plugin

Excel Open XML Macro-Enabled Add-In

.xlb

Settings

Excel Toolbars File

.xlc

Data

Excel Chart

.xlf

Text

XLIFF Document

.xlgc

Data

ExpressK Database File

.xlk

Backup

Excel Backup File

.xll

Plugin

Excel Add-In File

.xlm

Misc

Excel Macro

.xlnk

Misc

XML Shortcut File

.xlr

Data

Works Spreadsheet

.xls

Data

Excel Spreadsheet

.xlsb

Data

Excel Binary Spreadsheet

.xlsm

Data

Excel Open XML Macro-Enabled Spreadsheet

.xlsx

Data

Microsoft Excel Open XML Document

.xlt

Data

Excel Template

.xltm

Data

Excel Open XML Macro-Enabled Spreadsheet Template

.xltx

Data

Excel Open XML Spreadsheet Template

.xlv

Plugin

Excel Visual Basic Module

.xlw

Data

Excel Workbook

.xm

Audio

Fasttracker 2 Extended Module

.xmb

Game

Age of Empires Game Data File

.xmb

Game

X-Wing Mission Briefing File

.xmcd

Data

Mathcad Worksheet File

.xmcdz

Compressed

Mathcad Compressed Worksheet File

.xmd

Disk

GameJack Disc Image

.xmf

Audio

Extensible Music File

.xmf

Disk

GameJack Disc Image File

.xmi

Audio

Extended MIDI File

.xml

Data

XML File

.xmlper

Data

LeCroy Binary Waveform File

.xmp

Misc

Extensible Metadata Platform File

.xmpz

Data

Miradi XML Project File

.xmz

Audio

FastTracker 2 Extended Module

.xnk

Misc

Exchange Shortcut

.xof

Image

Reality Lab 3D Image File

.xol

Misc

Swiss Map Overlay

.xol

Misc

PowerDesigner Object Language File

.xom

Game

Worms 3D Object File

.xp

Audio

Fastracker 2 Pattern

.xpaddercontroller Settings

Xpadder Controller Profile

.xpd

Web

XML Pipeline Document

.xpd

Game

PlayStation Store PSP License File

.xpg

Data

Autoplay Media Studio Exported Page

.xpi

Compressed

Mozilla Installer Package

.xpj

Data

Micro Planner X-Pert Project File

.xpk

Game

WWE RAW Model File

.xpl

Settings

LcdStudio Playlist File

.xpm

Image

X11 Pixmap Graphic

.xpm

Data

Micro Planner Manager File

.xpr

3D Image

Pro/ENGINEER Part Instance Accelerator File

.xpr

Misc

PressIt Disc Label

.xps

Page Layout

XML Paper Specification File

.xpt

Plugin

Mozilla Firefox Component

.xpt

Data

SAS Transport File

.xqt

Executable

SuperCalc Macro File

.xrm-ms

System

Microsoft Security Certificate

.xrns

Audio

Renoise Song File

.xrp

Data

RationalPlan Project File

.xry

Data

XRY Data File

.xs

Game

Age of Empires 3 Map AI Generator

.xsb

Audio

XACT Sound Bank

.xsd

Developer

XML Schema Definition

.xsi

Image

Softimage XSI 3D Image

.xsl

Data

XML Style Sheet

.xslt

Data

XSL Transformation

.xsn

Data

InfoPath Form Template File

.xspf

Audio

XSPF Playlist File

.xst

Settings

WebSphere Query Template

.xt

Audio

Fastracker 2 Track

.xt

Developer

Xdebug Trace File

.xtm

Data

Xtremsplit Data File

.xtm

Data

CmapTools Exported Topic Map

.xtp

Data

XTree Data File

.xtreme

Settings

Winstep Xtreme Theme Pack

.xul

Web

XML User Interface Language File

.xv0

3D Image

Lattice XVL Structure File

.xv3

3D Image

Lattice XVL Geometry File

.xvid

Video

Xvid-Encoded Video File

.xwb

Audio

XACT Wave Bank

.xwd

Image

X Windows Dump

.xwf

Misc

OmniPage Workflow File

.xwk

Settings

Crosstalk Communicator Keyboard Mapping File

.xwp

Text

Xerox Writer Text Document

.xwp

Text

Crosstalk Session File

.xwp

Text

XMLwriter Project

.xws

Image

Xara Webstyle Graphic

.xx

Compressed

XXEncoded File

.xxd

Data

Brixx Planner Calendar

.xxe

Encoded

XXEncoded File

.xxx

Misc

Compucon Singer Embroidery File

.xy

Text

XYWrite Document

.xy3

Text

XYWrite III Document

.xyp

Text

XYWrite Plus Document

.xys

Executable

XYplorer Script File

.xyw

Text

XYWrite for Windows Document

.xyz

Data

Molecule Specification File

.xz

Compressed

XZ Compressed Archive

.x_b

3D Image

Parasolid Model Part File

.x_t

3D Image

Parasolid Model Part File

Y File Extensions File types with extensions that start with the letter Y. Extension

File Type

File Description

.y

Compressed

Amiga Yabba Compressed File

.y

Raster Image

Subsampled Raw YUV Image

.yab

Developer

Yabasic Source Code

.yal

Vector Image

Arts & Letters Clipart Library

.yam

Data

Yahoo! Auctions Data

.yaodl

Image

Powerflip 3D Image File

.ybk

Text

YanCEyWare Reader eBook

.ybk

Misc

Microsoft Encarta Yearbook File

.ycm

Game

Yugioh Card Maker File

.ydc

Game

Yu-Gi-Oh! Card Deck File

.ydl

Image

Powerflip YAODL 3D Image File

.ydr

Game

Yu-Gi-Oh! Power of Chaos Replay File

.yenc

Encoded

yEnc File

.ymg

Misc

Yahoo! Messenger File

.yml

Text

YAML Document

.yml2

Developer

YML Script

.ymp

Developer

YaST Metapackage File

.ync

Encoded

yEnc Encoded File

.yps

Misc

Yahoo! Messenger Data File

.yuv

Video

YUV Video File

.yuv

Image

YUV Encoded Image File

.yz

Compressed

YAC Compressed File

Z File Extensions File types with extensions that start with the letter Z. Extension

File Type

File Description

.z

Compressed

Unix Compressed File

.z01

Compressed

WinZip First Split Zip File

.z02

Compressed

WinZip Second Split Zip File

.z03

Compressed

WinZip Third Split Zip File

.z04

Compressed

WinZip Fourth Split Zip File

.z1

Misc

ZoneAlarm Renamed VB File

.z2f

Game

Zoo Tycoon 2 Object File

.z64

Game

Nintendo 64 Game ROM

.zap

Settings

Software Installation Settings

.zap

Data

Zone Alarm Pro Data File

.zap

Compressed

FileWrangler Archive

.zdb

Data

Quicken Online File

.zdb

Data

EPSQ Database

.zdc

Data

CD Catalog Expert Database File

.zdl

Page Layout

Avery DesignPro Label File

.zdp

Page Layout

Avery DesignPro Label File

.zds

Game

GZDoom Save File

.zfo

Web

XSL-FO Online Form

.zfsendtotarget Compressed

Compressed Folder

.zfx

Page Layout

ZipLogix ZipForm File

.zgm

Image

Zenographics Image File

.zhtml

Web

Secure IE Zipped HTML File

.zif

Raster Image

Zooming Image Format File

.zip

Compressed

Zipped File

.zipx

Compressed

Extended Zip File

.zix

Compressed

WinZix Compressed File

.zix

Data

Quicken Online File

.zl

Compressed

Zlib Compressed File

.zl9

Executable

ZoneAlarm Quarantined EXE File

.zm1

Video

ZSNES Movie #1 File

.zm1

Misc

ZoneAlarm Renamed MDA File

.zm2

Video

ZSNES Movie #2 File

.zm2

Misc

ZoneAlarm Renamed MDZ File

.zm3

Video

ZSNES Movie #3 File

.zm3

Misc

ZoneAlarm Renamed NCH File

.zm9

Misc

ZoneAlarm MailSafe Renamed Zip File

.zmap

Game

Zombies Ate My Neighbors Map File

.zmc

Data

ZoneAlarm Quarantine File

.zml

Misc

Zooming Markup Language File

.zmv

Video

ZSNES Movie File

.zno

Page Layout

Zinio Electronic Magazine File

.zon

Settings

Collection Building Custom Zone File

.zoo

Compressed

Zoo Compressed File

.zoo

Game

Zoo Tycoon Saved Game

.zpi

Compressed

Zipped File

.zpi

Settings

PDF Converter Index File

.zpl

Data

Zoom Player Play List

.zs0

Game

ZSNES Slot 0 Save State File

.zs1

Game

ZSNES Slot 1 Save State File

.zs2

Game

ZSNES Slot 2 Save State File

.zs3

Game

ZSNES Slot 3 Save State File

.zs4

Game

ZSNES Slot 4 Save State File

.zs5

Game

ZSNES Slot 5 Save State File

.zs6

Game

ZSNES Slot 6 Save State File

.zs7

Game

ZSNES Slot 7 Save State File

.zs8

Game

ZSNES Slot 8 Save State File

.zs9

Game

ZSNES Slot 8 Save State File

.zsd

Game

Dave Mirra Freestyle BMX Data File

.zst

Game

ZSNES Save File

.zt

3D Image

Mental Ray Image Depth File

.ztd

Game

Zoo Tycoon Data Archive

.ztf

Misc

DVD Label Template File

.ztmp

Game

Steam Compressed Game Resource File

.ztr

Misc

DVD Label Template Media File

.zul

Web

ZK User Interface File

.zvd

Audio

ZyXEL Voice File

.zvr

Audio

SAFA Media Audio File

.zvz

Web

Possible Virus File

.zw

Text

Chinese Text File

.zz

Compressed

Zzip Compressed Archive