File extension	The full name of the file	Popularity
File extension W	OpenEdge Architect Source Code File
File extension W01	Yamaha SY Series Wave File
File extension W02	Compressed file from a multi-volume archive (part 1)
File extension W32	Win32 Makefile
File extension W3D	Adobe Shockwave 3D File
File extension W3G	Warcraft 3 Replay File
File extension W3M	Warcraft 3 Map File
File extension W3N	Warcraft 3 Expansion Campaign File
File extension W3X	Warcraft 3 Expansion Map FIle
File extension W3Z	Warcraft 3 Saved Game File
File extension W64	Sony Wave64 Audio File
File extension WA2	Wonderland Adventures Custom Adventure File
File extension WAB	Windows Address Book
File extension WAD	Doom WAD File
File extension WAGAME	Worms Armageddon Game Recording
File extension WAL	Winamp 3 skin format
File extension WAND	GarageBand Magic Template
File extension WAR	Java Web Archive
File extension WAV	WAVE Audio File
File extension WAVE	WAVE Sound File
File extension WAX	Windows Media Audio Redirect
File extension WB1	Webshots Picture File
File extension WB2	Corel Quattro Pro File
File extension WB3	Corel Quattro Pro 7 and 8 File
File extension WBA	WindowBlinds Compressed Skin
File extension WBB	WinBackup Archive
File extension WBC	Webshots Collection File
File extension WBCAT	Windows Backup Catalog File
File extension WBD	Webshots Picture File
File extension WBFS	Wii Backup File System File
File extension WBK	Word Document Backup
File extension WBM	Wireless Bitmap image file
File extension WBMP	Wireless Bitmap Image File
File extension WBT	WinBatch script file
File extension WBXML	WAP Binary XML File
File extension WBZ	Webshots Download Picture File
File extension WCAT	WinCatalog Collection File
File extension WCD	Works Calendar File
File extension WCF	WebEx Saved Chat Session
File extension WCM	WordPerfect Macro
File extension WCP	WinDVD Creator Project File
File extension WCX	Total Commander plug-in
File extension WCZ	Chameleon Clock Wallpaper File
File extension WD3	Offline Explorer Data File
File extension WDB	Microsoft Works Database
File extension WDF	Workshare Compare DeltaFile
File extension WDGT	Dashboard Widget
File extension WDGTPROJ	Dashcode Widget Project
File extension WDL	World Definition Language Script
File extension WDP	Windows Media HD Photo
File extension WDQ	Offline Explorer Queue File
File extension WDSEML	Thunderbird Searchable Email File
File extension WDW	WinDev Window File
File extension WEA	Ecotect Weather File
File extension WEAP	Quake 3 Engine Weapon File
File extension WEB	Xara Web Document
File extension WEBARCHIVE	Safari Web Archive
File extension WEBARCHIVEXML	Android Web Browser Archive
File extension WEBBOOKMARK	Safari Web Bookmark File
File extension WEBDOC	Box.net Web Document
File extension WEBHISTORY	Safari Web History File
File extension WEBLOC	Mac OS X Website Location
File extension WEBM	WebM Video File
File extension WEBP	WebP Image
File extension WEBPNP	Web Point and Print File
File extension WEBSITE	Internet Explorer Pinned Site Shortcut
File extension WEBTEMPLATE	iWeb Template
File extension WEBTHEME	iWeb Theme Template
File extension WEBZ	WEBZ Compressed eBook File
File extension WEM	Wwise Encoded Media File
File extension WER	Windows Error Report
File extension WFB	WaveFront Sound Bank
File extension WFC	Windows Wireless Network Settings File
File extension WFD	WaveFront Drum Kit File
File extension WFM	Tektronix Waveform Data File
File extension WFP	WaveFront Program File
File extension WFT	GTA 4 Car Model File
File extension WGF	Widelands Game File
File extension WGP	Web Gallery Project
File extension WGS	Walk-Graph Segment File
File extension WGT	Opera Widget File
File extension WGZ	S60 Web Runtime Widget Package
File extension WHIRLD	Unity Whirld Package
File extension WHTT	HTTrack Website Copier File
File extension WI	Wavelet Image
File extension WIC	J Wavelet Image
File extension WID	Corel Ventura Publisher width table file
File extension WIDGET	Yahoo! Widget
File extension WII	Scrambled Wii Disc Image
File extension WIL	WinImage Disk Image List
File extension WIM	Windows Imaging Format File
File extension WIN	Windows Backup File
File extension WINCLONE	Winclone Image
File extension WINDOWSLIVECONTACT	Windows Live Contacts File
File extension WIQ	Visual Studio Work Item Query File
File extension WIZ	Microsoft Wizard File
File extension WJE	WinJournal Entry
File extension WJF	WinZip Job File
File extension WJR	ReGet Deluxe Data File
File extension WK1	Lotus Worksheet
File extension WK2	Lotus 2 Worksheet
File extension WK3	Lotus 3 Worksheet
File extension WK4	Lotus 4 Worksheet
File extension WK5	Lotus 5 Worksheet
File extension WKE	Lotus 1-2-3 Educational Version Worksheet
File extension WKI	Lotus 2 Worksheet
File extension WKS	Works Spreadsheet
File extension WKU	Lotus 1-2-3 Spreadsheet
File extension WL1	Wolfenstein 3D Data File
File extension WL6	Wolfenstein 3D Data File
File extension WLD	ESRI World File
File extension WLL	Microsoft Word Add-in
File extension WLMP	Windows Live Movie Maker Project File
File extension WLP	Worldlabel.com Label Designer File
File extension WLX	FileMaker Pro plug-in
File extension WLZ	WinImage file
File extension WM	Windows Media File
File extension WMA	Windows Media Audio File
File extension WMD	Windows Media Download Package
File extension WMDB	Windows Media Database File
File extension WMF	Windows Metafile
File extension WMGA	Web Manga Document
File extension WML	Wireless Markup Language File
File extension WMMP	Windows Movie Maker Project File
File extension WMO	World of Warcraft World Map Object
File extension WMP	Windows Media Photo File
File extension WMS	Windows Media Skin
File extension WMT	WinMount Virtual Disk File
File extension WMV	Windows Media Video File
File extension WMX	Windows Media Redirector File
File extension WMZ	Compressed Windows Media Player Skin
File extension WN	WN Web File
File extension WNK	Wink Presentation
File extension WOA	WebObjects Application
File extension WOFF	Web Open Font Format File
File extension WOLFQUEST	WolfQuest Saved Game
File extension WOP	Wonderland Object Preset
File extension WOR	MapInfo Workspace File
File extension WORDLIST	Desktop Poet Word List File
File extension WORK	Bibble Work Queue File
File extension WORKFLOW	Automator Workflow
File extension WORKSHEET	BBEdit Shell Worksheet File
File extension WORKSPACE	Adobe applications workspace setting
File extension WORLD	WorldPainter File
File extension WOT	WebEx Recording File
File extension WOTREPLAY	World of Tanks Replay File
File extension WOW	Grave Composer Music Module
File extension WOWPROJ	AddOn Studio Project File
File extension WOWSL	WOW Slider
File extension WP	WordPerfect Document
File extension WP3	Microsoft Photo Story Project File
File extension WP4	WordPerfect 4 Document
File extension WP5	WordPerfect 5 Document
File extension WP6	WordPerfect 6 Document
File extension WP7	WordPerfect 7 Document
File extension WPA	ACT! Word Processing Document
File extension WPB	Windows Phone Device Manager backup file
File extension WPC	WordPad Converter File
File extension WPD	WordPerfect Document
File extension WPE	openCanvas 1.1 Event File
File extension WPF	WordPerfect Form
File extension WPG	WordPerfect Graphic File
File extension WPH	WAsP project file
File extension WPK	Nero Wave Editor File
File extension WPL	Windows Media Player Playlist
File extension WPM	WordPerfect Macro File
File extension WPO	HOLUX Waypoint File
File extension WPOST	Windows Live Writer Post File
File extension WPP	Corel WordPerfect color palette file
File extension WPROJ	Wwise Project File
File extension WPS	Microsoft Works Word Processor Document
File extension WPT	WordPerfect Template
File extension WPW	Corel WordPerfect document file
File extension WPX	Adobe printer description for Postscript printing file
File extension WQ1	Quattro Pro for DOS Spreadsheet File
File extension WQ2	Quattro Pro for DOS Spreadsheet File
File extension WRF	WebEx Recording
File extension WRI	Windows Write Document
File extension WRK	Cakewalk Music Project
File extension WRL	VRML World
File extension WRP	Geomagic 3D Wrap File
File extension WRPL	Widelands Saved Game File
File extension WRPLWGF	Widelands Initial Saved Game File
File extension WRZ	Compressed VRML World File
File extension WS	Windows Script
File extension WSC	Windows Script Component
File extension WSD	WordStar Document
File extension WSDL	Web Services Description Language File
File extension WSF	Windows Script File
File extension WSH	Windows Script Host Settings
File extension WSI	Wise Package Studio Installer Package
File extension WSM	Wise Package Studio Merge Module
File extension WSP	SharePoint Solution Package
File extension WSPAK	WebsitePanel Backup File
File extension WSZ	Winamp Classic Skin
File extension WTB	Win-Test Binary Log File
File extension WTC	Logitech Webcam File
File extension WTD	Grand Theft Auto IV Textures File
File extension WTF	World of Warcraft Text File
File extension WTPL	WireTap Studio Library
File extension WTPT	WireTap Studio Packaged Track
File extension WTR	Encarta File
File extension WTV	Windows Recorded TV Show File
File extension WTX	Text Document
File extension WUL	WinUHA Language File
File extension WUS	WUTG Tagged Audio File
File extension WUT	WUTG Tag File
File extension WV	WavPack Audio File
File extension WVC	WavPack Correction File
File extension WVE	DivX movie conversion component file
File extension WVL	Wavelet Image
File extension WVP	Symantec Virtual Package Editor virtual software project file
File extension WVX	Windows Media Video Redirector
File extension WWD	Works Wizard File
File extension WWF	World Wide Fund Non-Printable Document
File extension WWU	Wwise Work Unit
File extension WX	Flight Simulator Weather File
File extension WYZ	WYZTracker File
File extension WZ	MapleStory Game Data File
File extension WZCONFIG	WinZip Configuration File
File extension WZMUL	WinZip Registration File