W = Ashton Tate Applause chart
    W$ = Modem Bitware Fax disk3 file
    W00 = Archiv
    W02 = TEMP file
    W20 = Windows2000 related file
    W30 = Printer font (AST TurboLaser) (Ventura Publisher)
    W31 = Windows 3.1 startup file
    W32 = Win32 file
    W3D = Black Belt Systems Ray Trace Control File
    W3L = W3Launch file
    W40 = Win95 Backup File
    W44 = dBASE temporary file
    W51 = WordPerfect 5.1 document
    W60 = Mime: application/wordperfect6.0
    W60 = WordPerfect 6.0 document
    W61 = Mime: application/wordperfect6.1
    W61 = WordPerfect 6.1 document
    W6BN = (MAC FILE TYPE) Mac Word 6 Docu
    W6BN = (MAC FILE TYPE) Microsoft Word 6 (PC ext: DOC)
    W6W = Mime: application/msword
    W8BN = (MAC FILE TYPE) Microsoft Word 8 (98) (PC ext: DOC)
    W8TN = (MAC FILE_TYPE) Word 98 Template
    W95 = Windows95 related data file
    W98 = Windows98 related data file
    WA0 = Magix Musstu file
    WA1 = Magix Musstu file
    WA8 = Audio WAV 8 bits
    WA_ = Game: doko inst file
    WAB = Microsoft Outlook (Address Book file)
    WAC = movie format (from ??????)
    WAD = Programming library
    WAD = texture files 3d
    WAD = War Allocation Daemon (Doom - Doom2)
    WAF = Temp file
    WAFF = (MAC FILE_TYPE) Internet Explorer Cache
    WAFF = (MAC FILE_TYPE) MS IE Web Archive
    WAL = Quake 2 Texture image format
    WAP = Wap application project (Ericsson WapIDE)
    WAP = Wireless Bitmap (level 0) image format
    WAR = Archived Konqeror (KDE) HTML Page
    WARZ = (MAC FILE_TYPE) Applet Runne
    WAS = movie format (from ??????)
    WAS = ProComm source script
    WAT = "IBM Voice Type" languages map file
    WAV = Mime: application/x-wav
    WAV = Mime: audio/wav
    WAV = Mime: audio/x-wav
    WAV = WAVe PCM Sound, standard Windows sound format
    WAVE = (MAC FILE TYPE) Wave File
    WAVE = (MAC FILE_TYPE) WAVE SoundArchive Cachwav
    WAX = Audio Advanced Streaming Format
    WAX = Mime: audio/x-ms-wax
    WAX = ProComm compiled script
    WA~ = Microsoft Address Book file
    WB = Game: fifa2000 be file
    WB0 = Quattro Pro version 6 spreadsheet
    WB1 = Mime: application/x-qpro
    WB1 = Spreadsheet; Quatro Pro for Windows Notebook
    WB1 = Upload file (Argo WebLoad II)
    WB2 = Spreadsheet; Lotus 1-2-3 for OS/2
    WB3 = Quatro Pro for Windows 7.0 Notebook
    WB? = Quattro Pro spreadsheet (?=version)
    WBA = Winace Zip File
    WBC = Mime: application/x-webshots
    WBC = Webshots image format
    WBF = Windows Batch File
    WBK = Ms Word auto-backup document
    WBK = WordPerfect for Win WorkBooK
    WBL = Argo WebLoad II upload file
    WBM = Microsoft Welcome file
    WBM = Wireless Bitmap (level 0) image format
    WBMP = Mime: image/vnd.wap.wbmp
    WBMP = Wireless Bitmap (level 0) image format
    WBP = Webshots image format
    WBR = Crick WordBar File
    WBS = WebExpress Website File
    WBT = Batch file (WilsonWare WinBatch)
    WBXML = Mime: application/vnd.wap.sic
    WBXML = Mime: application/vnd.wap.slc
    WBXML = Mime: application/vnd.wap.wbxml
    WBXML = Mime: application/vnd.wap.wmlc
    WBZ = Webshots image format
    WC = Mikmak 203 file
    WC$ = Modem Bitware Fax disk2 file
    WCD = WordPerfect for Win macro token list
    WCH = Corel Office PerfectScript; see CSC
    WCH = WordPerfect for Win macro facility file
    WCL = wcl2 file
    WCM = Corel Presentations Macro
    WCM = Terminal; MS Works Communications
    WCM = WordPerfect for Windows Macro
    WCP = WordPerfect for Win product information description
    WCS = Chip Mark II WCS
    WCT = VisualBasic WCTFile
    WD = InfoSelect data file
    WD0 = Document WordExpress
    WD1 = Document WordExpress
    WD2 = Database file "Info Select" (Micro Logic)
    WD_ = Databook ti file
    WDB = Microsoft Works database
    WDBN = (MAC FILE TYPE) Word 3/4/5 Macintosh text file (PC ext: DOC)
    WDCD = (MAC FILE_TYPE) Word 5 Custom Dictionary
    WDEC = (MAC FILE_TYPE) Word 6 Converter
    WDEP = (MAC FILE_TYPE) Microsoft Text Converter
    WDGC = (MAC FILE_TYPE) Word Converter
    WDGP = (MAC FILE_TYPE) Word Add-in
    WDHY = (MAC FILE_TYPE) Word Hyphenation File
    WDIC = (MAC FILE_TYPE) Word 5 Plug-in
    WDK = WhizFolder Desktop File
    WDLL = (MAC FILE_TYPE) Word 6 Add-in
    WDM = Ms Visual Interdev98 Templates Web Project Items file
    WDPC = (MAC FILE_TYPE) Word 6 Graphics Converter
    WDT = Wintidy file
    WDX9 = (MAC FILE_TYPE) Microsoft Word Wizard
    WE = Game: fifa2000 be file
    WEB = Corel Xara web document
    WEB = Easel programming language p-code
    WEB = Mime: application/vnd.xara
    WEBOOGL = Web Object Oriented Graphics Library
    WEBPNP = webpnpFile, open with: wpnpinst.exe
    WED = Windows Editor file
    WF = Game: fifa2000 play file
    WFA = WinFax Pro Archive
    WFB = Wavepatch file
    WFC = War FTP client file
    WFD = sound file
    WFK = Delphi Runimage Delphi Demos Doc Formdll Db file
    WFL = Flowchart file (Winflow)
    WFM = Database form; dBASE Form Designer
    WFN = Corel vector Font
    WFO = Delphi Runimage Delphi Demos Doc Formdll Db file
    WFP = sound file
    WFT = WaveFronT 3D object
    WFW = Pci Smc file
    WFX = WinFaX file
    WG = Game: fifa2000 be file
    WG1 = Spreadsheet; Lotus1-2-3/G worksheet
    WG2 = Lotus 1-2-3 for OS/2 worksheet
    WGDP = (MAC FILE_TYPE) MS Graphics Importe
    WGP = Game data (Wild Board Games)
    WHIP = Bitmap image (WHIP file)
    WHLP = (MAC FILE TYPE) MS-Word help file
    WHT = Microsoft Net Meeting White board Document
    WHTT = WinHTTrackProject open with: WINHTTrack.EXE
    WI = Game: fifa2000 be file
    WI = Mime: image/wavelet
    WIC = Garbage
    WIC = J Wavelet Image Codec image format
    WID = Ventura Publisher WIDth table
    WIF = Image
    WIF = Weaving Information Format
    WIF = Window Intermediate File template
    WIL = WinImage data
    WILD = (MAC FILE_TYPE) HyperCard
    WIM = WAP : Wireless identity module
    WIN = Mime: model/vnd.gdl
    WIN = Mime: model/vnd.gs.gdl
    WIN = Truevision Targa bitmap image
    WIN = WINdow file (FoxPro/dBASE)
    WIN32 = Vc6 (make-)file
    WINCE = EXE = Windowsce executable (palm-computers)
    WINDOWS9X = Winhttrack src file
    WINPOINT = Winpoint Mortgage loan file format (MS Excel format)
    WINS = Makefile for WINS platform (EPOC)
    WIPEINFO = Norton Utilities Sendto file
    WIPESLACK = Norton Utilities Sendto file
    WIS = InstallShield : Install help file
    WIZ = Conjure chemical modeller input file
    WIZ = Mime: application/msword
    WIZ = WIZard of eg. Ms Word or Ms Publisher
    WIZ = wizard pages file
    WIZ! = (MAC FILE_TYPE) Microsoft Wizard
    WJ = Game: fifa2000 be file
    WK = xaa file
    WK! = Lotus Spreadsheet File
    WK1 = Mime: application/vnd.lotus-1-2-3
    WK1 = Mime: application/x-123
    WK1 = Spreadsheet; Lotus 1-2-3 2.0, Symphony
    WK2 = wk2file open with: KVLOTUS.EXE
    WK3 = Mime: application/vnd.lotus-1-2-3
    WK3 = Spreadsheet; Lotus 1-2-3 3.0, 3.1...
    WK4 = Lotus 123 version 4 spreadsheet
    WK4 = Mime: application/vnd.lotus-1-2-3
    WK4 = Spreadsheet; Lotus 1-2-3 4.0
    WKB = WordPerfect for Win document
    WKE = Spreadsheet; Lotus 1-2-3 Educational version
    WKI = Lotus 1-2-3 2.x : Spreadsheet format
    WKQ = Spreadsheet; (Borland Quatro, early DOS versions)
    WKS = MS Works Document
    WKS = Spreadsheet; Lotus 1-2-3 1 and 1A
    WKS = Xlisp WorKSpace
    WKZ = Mime: application/x-wingz
    WKZ = Wingz spreadsheet
    WLB = Wgt file
    WLD = Adobe Acrobat Distiller
    WLF = Argo WebLoad I upload file
    WLF = Upload file (Argo WebLoad I)
    WLG = DrWatson LoG file
    WLK = Picture; Virtus Walk Through
    WLL = MS Word Add-in; DLL
    WLM = CompW image format
    WLR = Virtual Reality Modeling Language for WWW
    WLS = 602 pro PC SUITE Worksheet File
    WLX = FileMaker Pro Plug-in
    WLZ = WinImage
    WM = Mime: video/x-ms-asf
    WM = Windows Media
    WM$ = Basic Vb file
    WM3 = Working Model 3D Document
    WM5 = Dyndlg2 file
    WMA = Advanced Streaming Format audio
    WMA = Mime: audio/x-ms-wma
    WMC = Document; WordMarc
    WMC = MathCad backup of startup files
    WMC = WordPerfect MaCro
    WMD = Windows Media Player Download Package
    WMF = Mime: application/x-msmetafile
    WMF = Mime: image/x-wmf
    WMF = Mime: windows/metafile
    WMF = Windows Metafile; vector drawing; see EMF
    WMF2 = Embedded Bitmap Metafile
    WMF_ = (MAC FILE_TYPE) Windows MetaFile
    WMK = Oc2.316s cakit file
    WML = Mime: text/vnd.wap.wml
    WML = Wireless Markup Language document (WAP)
    WMLC = Mime: application/vnd.wap.wmlc
    WMLC = WAP : Wireless Markup Language bytecode document
    WMLS = Mime: text/vnd.wap.wmlscript
    WMLS = WAP : Wireless Markup Language script
    WMLSC = Mime: application/vnd.wap.wmlscriptc
    WMLSC = WAP : Wireless Markup Language bytecode script
    WMP = Windows Magic icon Palette
    WMS = WMSFile, open with: Windows Media Player /layout:"%L"
    WMV = Audio/Video Windows Media
    WMV = Mime: video/x-ms-wmv
    WMX = Audio Playlist
    WMX = Mime: video/x-ms-wmx
    WMZ = Windows Media Player skins file
    WN = NeXT WriteNow text document
    WND = WinG Hidden Palette task
    WNF = Outline font description (CorelDraw native format)
    WNS = PrintShop Newsletter
    WNT = Mumath 30 file
    WOA = Windows 3.x swap file
    WOB = Object file (RIO Designer Pro)
    WOC = Organization (Windows OrgChart)
    wock = (MAC FILE_TYPE) Route 66
    WOR = ProWrite Document
    WORD = (MAC FILE TYPE) Claris Works (word processor) (PC ext: CWK)
    WORD = (MAC FILE TYPE) Mac Write 4.6/5
    WORD = (MAC FILE TYPE) MacWrite formatted file
    WORD = 2.X FOR WINDOWS Word processor-file
    WORD = Mime: application/msword
    work = (MAC FILE_TYPE) Mach-O Framework
    WOW = Grave Composer module (MOD) file (8 channels) (Grave Mod Player)
    WP = Mime: application/wordperfect
    WP = WordPerfect v4/5/6 document
    WP4 = WordPerfect 4 document
    WP42 = (MAC FILE TYPE) Wordperfect 4 (saved by WP for the Mac) (PC ext: WP4)
    WP42 = (MAC FILE TYPE) PC WP4 file seen by Wordperfect 1 for the Mac
    WP5 = Mime: application/wordperfect
    WP5 = Mime: application/wordperfect6.0
    WP5 = WordPerfect 5.0/5.1/5.2 document
    WP50 = (MAC FILE TYPE) Wordperfect 5 (saved by WP for the Mac) (PC ext: WP5)
    WP50 = (MAC FILE TYPE) PC WP51 file seen by Wordperfect 1 for the Mac
    WP6 = Mime: application/wordperfect
    WP6 = WordPerfect 6.0/6.1 document
    WP? = WordPerfect document (?=version)
    WPA = Word processor document (ACT!)
    WPC = Windows 95 WordPad file converter
    WPC2 = (MAC CREATOR CODE) Wordperfect 2 (3 also)
    WPC2 = (MAC CREATOR CODE) WordPerfect WPC2 text
    WPD = Document; PFS:WindowWorks
    WPD = Mime: application/wordperfect
    WPD = Mime: application/x-wpwin
    WPD = Windows printer driver
    WPD = WordPerfect; may be regular document or data
    WPD0 = (MAC FILE TYPE) Wordperfect 1 text file
    WPD0 = (MAC FILE_TYPE) WordPerfect Document
    WPD1 = (MAC FILE TYPE) Wordperfect 2 text file
    WPD1 = (MAC FILE_TYPE) WordPerfect 1 Document
    WPD2 = (MAC FILE_TYPE) WordPerfect 2
    WPD3 = (MAC FILE TYPE) Wordperfect 3 text file (what happened to the '2'?)
    WPD3 = (MAC FILE_TYPE) WordPerfect 3
    WPF = Enable Word Processing
    WPF = Form: Informs
    WPF = WordPerfect form
    WPF = WorldPort Fax
    WPG = WordPerfect bitmap or vector image, max. 256 colors
    WPG2 = WordPerfect image
    WPJ = Watcom C/C++ project
    WPK = WordPerfect for Win macros
    WPM = WordPerfect macro or Wordperfect for Mac Document
    WPP = WordPerfect color Palette
    WPR = WinG project file
    WPR = WMS project file
    WPRD = (MAC FILE TYPE) MS-Word print file
    WPS = Microsoft Works document
    WPT = Mime: x-lml/x-gps
    WPT = WordPerfect Document Template
    WPW = Novel PerfectWorks document
    WPW = WordPerfect for Windows (picture/tbv)
    WPX = Adobe printer description, for Postscript printing
    WPZ = SkinZip : WinAmp extension installation file
    WQ = Spreadsheet
    WQ! = Compressed Quatro Pro spreadsheet
    WQ0 = QUATTRO PRO / DOS
    WQ1 = Mime: application/x-lotus
    WQ1 = Spreadsheet; Quatro Pro for MS-DOS
    WQ2 = Quattro Pro/DOS version 5 spreadsheet
    WQ? = Quattro Pro for DOS (?=version)
    WR! = Compressed Lotus Spreadsheet
    WR$ = Modem Bitware Fax disk6 file
    WR1 = Spreadsheet; Lotus Symphony 1.1, 1.2, 2.0
    Wrap = (MAC FILE_TYPE) ShrinkWrap
    WRD = Charisma template
    WRD = Psion Series 3 text document
    WRG = ReGet document
    WRI = Mime: application/mswrite
    WRI = Mime: application/x-mswrite
    WRI = Mime: application/x-wri
    WRI = Windows Write Document
    WRK = Spreadsheet; Lotus Symphony 1, 1.01
    WRL = Live3D Plug-in for Netscape 3D live picture; see WRZ
    WRL = Mime: application/x-world
    WRL = Mime: i-world/i-vrml
    WRL = Mime: model/vrml
    WRL = Mime: x-world/x-vrml
    WRL = VRML Worlds (Virtual Reality Modelling Language) (Cosmo Player)
    WRP = Compressed Amiga file archive (Warp)
    WRS = Windows Resource eg. printer driver (WordPerfect for Win)
    WRT = Write text
    WRZ = Live32 Geometry for Netscape
    WRZ = Mime: model/vrml
    WRZ = Mime: x-world/x-vrml
    WRZ = VRML Worlds (Virtual Reality Modelling Language) (Cosmo Player)
    WS = APL Worksheet
    WS = Windows Script file
    WS = WordStar 5.0/6.0 document
    WS1 = WordStar for Windows 1.x document
    WS2 = Document; WordStar 2000
    WS3 = WordStar for Windows 3 document
    WS4 = WordStar for Windows 4 document
    WS5 = WordStar for Windows 5 document
    WS6 = WordStar for Windows 6 document
    WS7 = WordStar for Windows 7 document
    WS? = WordStar for Windows (?=version)
    WS_ = Visc15 Adressen Setup file
    WSC = Mime: text/scriptlet
    WSC = Mime: text/sgml
    WSC = RIO Designer Pro scene file
    WSC = Windows scripting component file
    WSD = WordStar 2000 document
    WSE = Wise File
    WSET = (MAC FILE_TYPE) Word Settings
    WSF = windows scripting file (vbscript..)(formerly .ws .js .vbs)
    WSH = Windows Scripting Host
    WSP = Fortran PowerStation workspac
    WSP = old Workspace Info (MS Visual C++, Fortran)
    WSQ = Wavelet-packet Scalar Quantization bitmap
    WSRC = Mime: application/x-wais-source
    WSRC = x-wais source
    WSS = Windows Sound System
    WST = Document; WordStar
    WSX = Audio Utility Sysex Wsysex file
    WSZ = Winamp Skin Zip
    WT0 = Template WordExpress ( assistant )
    WTA = WinTune DLL
    WTB = Mime: application/vnd.webturbo
    WTBN = (MAC FILE TYPE) Word Template
    WTBN = (MAC FILE TYPE) Word Template (PC ext: DOT)
    WTBN = (MAC FILE_TYPE) Word 4/5 Template
    WTD = WinTune Document (database of test results, binary)
    WTF = Weird wally screen saver editor file
    WTK = Mime: application/x-wintalk
    WTK = URL address of person to talk to (WinTalk)
    WTMP = (MAC FILE_TYPE) Word 5 Temp File
    WTR = Winter Windows scheduler file
    WTS = Ntgraph Qwknetv1 file
    WTX = Mime: text/plain
    WTX = WinTune Export document
    WUL = Wincmd file
    WV = Mime: video/wavelet
    WVD = Starmoney Filter Zvl32 file
    WVE = Psion (palmtop) A-law .WVE files
    WVE = Sound (8kHz) (Psion Series 3)
    WVL = Wavelet Bitmap Picture
    WVW = Interleaf WorldView format (a PDF format)
    WVX = Audio/Video Windows Media
    WVX = Mime: video/x-ms-wvx
    WVY = Pub
    WW4 = WinWhatWhere activity log
    WWB = WordPerfect button bar
    WWD = Microsoft Works Wizards file
    WWK = WordPerfect keyboard layout
    WWL = Microsoft Word add-in file
    WWP = Microsoft Works Wizards file
    WWS = Microsoft Works Wizards file
    WWW = abbrev. for World Wide Web
    WXD = Music resource file (Relic Entertainment)(Home World)
    WXL = Mime: application/x-wxl
    WXP = document EXP for Windows
    WXR = wxclips resource file
    WXS = QuotesNows! data file
    WZD = Sharp Organizer Program or Data File
    WZN = WhizFolder Document
    WZS = MS Word Wizard
    WZZ = IGS setup internet account