Alphabetically: W
Extension File Description File Type
.w
OpenEdge Architect Source Code File
Developer
.w01
Yamaha SY Series Wave File
Audio
.w02
Split Archive File
Data
.w32
WinCAPs Subtitle File
Video
.w3g
Warcraft 3 Replay File
Game
.w3m
Warcraft 3 Map File
Game
.w3n
Warcraft 3 Expansion Campaign File
Game
.w3x
Warcraft 3 Expansion Map FIle
Game
.w3z
Warcraft 3 Saved Game File
Game
.wab
Windows Address Book
Data
.wad
Wally Game Texture Archive
Game
.wagame
Worms Armageddon Game Recording
Game
.wal
Quake 2 Texture File
Game
.war
Java Web Archive
Compressed
.wav
WAVE Audio File
Audio
.wave
WAVE Sound File
Audio
.wax
Windows Media Audio Redirect
Audio
.wb1
Webshots Picture File
Raster Image
.wb2
Corel Quattro Pro File
Data
.wb3
Corel Quattro Pro 7 and 8 File
Data
.wba
WindowBlinds Compressed Skin
Misc
.wbb
WinBackup Archive
Backup
.wbc
Webshots Collection File
Raster Image
.wbcat
Windows Backup Catalog File
Backup
.wbd
Webshots Picture File
Raster Image
.wbfs
Wii Backup File System File
Game
.wbk
Word Document Backup
Backup
.wbm
Wireless Bitmap Image
Raster Image
.wbmp
Wireless Bitmap Image File
Raster Image
.wbt
Toribash Help File
Game
.wbz
Webshots Download Picture File
Raster Image
.wcd
Works Calendar File
Data
.wcf
WebEx Saved Chat Session
Text
.wcm
Microsoft Works Communications Script
Misc
.wcp
WinDVD Creator Project File
Video
.wcx
RemoteApp and Desktop Connections Configuration File
Settings
.wcz
Chameleon Clock Wallpaper File
Settings
.wdb
Microsoft Works Database
Database
.wdf
Workshare Compare DeltaFile
Data
.wdgt
Dashboard Widget
System
.wdl
World Definition Language Script
Developer
.wdp
Windows Media Photo File
Raster Image
.wdq
Offline Explorer Queue File
Data
.wea
Ecotect Weather File
Data
.weap
Quake 3 Engine Weapon File
Game
.web
Xara Web Format
Raster Image
.webarchive
Safari Web Archive
Web
.webloc
Mac OS X Website Location
Web
.webm
WebM Video File
Video
.webpnp
Web Point and Print File
System
.website
Internet Explorer Pinned Site Shortcut
Web
.wer
Windows Error Report
System
.wfb
WaveFront Sound Bank
Audio
.wfc
Windows Wireless Network Settings File
Settings
.wfd
WaveFront Drum Kit File
Audio
.wfm
dBASE Form
Data
.wfp
WaveFront Program File
Audio
.wgf
Widelands Game File
Game
.wgp
Web Gallery Project
Web
.wgs
Walk-Graph Segment File
Misc
.wgt
Opera Widget File
Web
.wgz
S60 Web Runtime Widget Package
Text
.whtt
HTTrack Website Copier File
Web
.wi
Wavelet Image
Raster Image
.wic
J Wavelet Image
Raster Image
.widget
Yahoo! Widget
Executable
.wim
Windows Imaging Format File
Disk Image
.win
Windows Backup File
Backup
.windowslivecontact
Windows Live Contacts File
Data
.wiz
Microsoft Wizard File
Executable
.wje
WinJournal Entry
Misc
.wjf
WinZip Job File
Backup
.wjr
ReGet Deluxe Data File
Data
.wk1
Lotus Worksheet
Data
.wk2
Lotus 2 Worksheet
Data
.wk3
Lotus 3 Worksheet
Data
.wk4
Lotus 4 Worksheet
Data
.wk5
Lotus 5 Worksheet
Data
.wke
Lotus 1-2-3 Educational Version Worksheet
Data
.wki
Lotus 2 Worksheet
Data
.wks
Works Spreadsheet
Spreadsheet
.wku
Lotus 1-2-3 Spreadsheet
Spreadsheet
.wl6
Wolfenstein 3D Data File
Game
.wlmp
Windows Live Movie Maker Project File
Video
.wlp
Worldlabel.com Label Designer File
Layout
.wlz
Winamp Language Pack
Plugin
.wm
Windows Media File
Video
.wma
Windows Media Audio File
Audio
.wmd
Windows Media Download Package
Video
.wmdb
Windows Media Database File
Database
.wmf
Windows Metafile
Vector Image
.wmga
Web Manga Document
Layout
.wml
Wireless Markup Language File
Web
.wmmp
Windows Movie Maker Project File
Video
.wmo
World of Warcraft World Map Object
Game
.wmp
Windows Media Photo File
Raster Image
.wms
Windows Media Skin
Settings
.wmt
WinMount Virtual Disk File
Disk Image
.wmv
Windows Media Video File
Video
.wmx
Windows Media Redirector
Video
.wmz
Compressed Windows Media Player Skin
Settings
.wn
WriteNow Text Document
Text
.wnk
Wink Presentation
Data
.woa
WebObjects Application
Web
.wolfquest
WolfQuest Saved Game
Game
.wor
MapInfo Workspace File
GIS
.wordlist
Desktop Poet Word List File
Misc
.workflow
Automator Workflow
Executable
.workspace
Adobe Bridge Workspace File
Settings
.wot
Web Of Trust File
Compressed
.wow
Grave Composer Music Module
Audio
.wp
WordPerfect Document
Text
.wp3
Microsoft Photo Story Project File
Video
.wp4
WordPerfect 4 Document
Text
.wp5
WordPerfect 5 Document
Text
.wp6
WordPerfect 6 Document
Text
.wp7
WordPerfect 7 Document
Text
.wpa
ACT! Word Processing Document
Text
.wpc
WordPad Converter File
Data
.wpd
WordPerfect Document
Text
.wpf
WordPerfect Form
Data
.wpg
WordPerfect Graphic File
Vector Image
.wph
Phoenix BIOS File
System
.wpk
WordPerfect Macro
Executable
.wpl
Windows Media Player Playlist
Video
.wpm
WordPerfect Macro File
Executable
.wpo
HOLUX Waypoint File
Data
.wpp
WordPerfect Color Palette
Settings
.wproj
Wwise Project
Audio
.wps
Microsoft Works Word Processor Document
Text
.wpt
WordPerfect Template
Text
.wpw
WP Works Word Processor File
Text
.wpx
Printer Description File
System
.wq1
Quattro Pro for DOS Spreadsheet File
Spreadsheet
.wq2
Quattro Pro for DOS Spreadsheet File
Spreadsheet
.wrf
WebEx Recording
Web
.wri
Windows Write Document
Text
.wrk
Cakewalk Music Project
Audio
.wrl
VRML World
3D Image
.wrp
Geomagic 3D Wrap File
3D Image
.wrpl
Widelands Saved Game File
Game
.wrpl.wgf
Widelands Initial Saved Game File
Game
.wrz
VRML World
3D Image
.ws
Windows Script
Executable
.wsc
Windows Script Component
Developer
.wsd
WordStar Document
Text
.wsdl
Web Services Description Language File
Web
.wsf
Windows Script File
Executable
.wsh
Windows Script Host Settings
Text
.wsi
Wise Package Studio Installer Package
Data
.wsm
Wise Package Studio Merge Module
Data
.wsz
Winamp Classic Skin
Misc
.wtb
Win-Test Binary Log File
Data
.wtd
Grand Theft Auto IV Textures File
Game
.wtf
World of Warcraft Text File
Game
.wtr
Encarta File
Data
.wtv
Windows Recorded TV Show File
Video
.wtx
Text Document
Text
.wus
WUTG Tagged Audio File
Audio
.wut
WUTG Tag File
Audio
.wv
WavPack Audio File
Audio
.wvc
WavPack Correction File
Audio
.wve
WaveEditor Project File
Audio
.wvl
Wavelet Image
Raster Image
.wvx
Windows Media Video Redirector
Video
.wwd
Works Wizard File
Misc
.wwf
World Wide Fund Non-Printable Document
Layout
.wwu
Wwise Work Unit
Audio
.wx
Flight Simulator Weather File
Game
.wyz
WYZTracker File
Audio
.wz
MapleStory Game Data File
Game
.wzconfig
WinZip Configuration File
Settings
.wzmul
WinZip Registration File
Misc