W-X

W
Word chart file (APPLAUSE)
W30
Printer font (AST TurboLaser)
W30
Printer font (Ventura Publisher)
W31
Startup file (Microsoft Windows 3.1)
W3L
W3Launch file
W44
Temporary file for Sort or Index (dBase)
WAB
Outlook file (Microsoft Outlook, Outlook Express)
WAD
Large file for Doom game containing video, player level, and other information
WAL
Texture file (Quake 2)
WAS
Script source code file (Procomm Plus Aspect)
WAV
Waveform sound (Microsoft Windows)
WAX
Compiled script file (Procomm Plus Aspect)
WB1
Notebook (QuattroPro for Windows)
WB2
Spreadsheet (QuattroPro for Windows)
WB3
Text file (QuattroPro for Windows)
WBC
Image file (Webshots)
WBF
Batch file (Microsoft Windows 9.x)
WBK
Backup file (Microsoft Word for Windows)
WBL
Upload file (Argo Webload II)
WBR
WordBar File (Crick Software)
WBT
Batch file (WinBatch)
WBT
Wordbar template (Crick Software)
WCD
Macro token list file (Microsoft WordPerfect for Windows)
WCM
Macro (Microsoft WordPerfect fdor Windows)
WCM
Data transmission file (Microsoft Works)
WCP
Product information description file (Microsoft WordPerfect for Windows)
WD2
Database file (Info Select) by (Micro Logic)
WDB
Database file (Microsoft Works)
WDF
WebArt data file (database file that can be converted for use in many programs)
WDG
Warftpd remote daemon file
WEB
Web document (Corel Zara)
WEB
Web source code file
WFB
Bank file (Maui/Rio/Monterey) (Turtle Beack WaveFront)
WFD
Drum set (Maui/Rio/Monterey)(Turtle Beach WaveFront)
WFD
Audio waveform (WaveForm Manager Pro)
WFL
Flowchart file (Winflow)
WFM
Windows form (Virtual dBase)
WFN
Symbol (Corel Draw)
WFP
Program file (Turtle Beach WaveFront)(Maui/Rio/Monterey)
WFT
Data file (NICOLET (Old Format), see NRF)
WFX
Data file (WinFax)
WG1
Worksheet (Lotus 1-2-3/G)
WG2
Worksheet (Lotus 1-2-3 for O/S2)
WGP
Data file (Wild Board Games)
WI
Wavelet compressed bitmap (Corel)
WID
Width table (Ventura Publisher)
WIF
Wavelet image file (see WI)
WIL
WinImage file
WIM
Wireless identity module (Used by wireless application protocols)
WIN
Window file (Microsoft FoxPro)
WIN
Window file (dBase)
WIN
Window preference file (Pro/Engineer)
WIS
Script file (Reynolds & Reynolds) (Stores the results of a database query)
WIZ
Wizard file (Microsoft Word)
WIZ
Page wizard (Microsoft Publisher)
WK1
Spreadsheet (Lotus 1-2-3 v. 1 and 2)
WK3
Spreadsheet (Lotus 1-2-3 v. 3)
WK4
Spreadsheet (Lotus 1-2-3 v. 4)
WKB
Document file (Microsoft WordPerfect for Windows)
WKE
Spreadsheet (Lotus 1-2-3 Educational version)
WKQ
Spreadsheet (Quattro Pro)
WKS
Spreadsheet (Symphony 1.0)
WKS
Worksheet spreadsheet (Lotus 1-2-3)
WKS
Document (Microsoft Works)
WKS
Workspace file (Xlisp)
WLD
REND386/AVRIL file
WLF
Upload file (Argo Upload I)
WLK
Graphics file (Virtus Walkthrough)
WLL
Add-In file (Microsoft)
WMA
Audio file in Microsoft Windows Media format (Can be changed to ASF) Siren (Sonic Foundry)
WMC
Backup files for startup (MathCAD for Windows)
WMC
Macro file (Microsoft WordPerfect for Windows)
WMC
Text file (WordMARC)
WMF
Metafile (Microsoft Windows)
WN
Text file (NeXT WriteNow)
WNF
Outline font description file (CorelDRAW)
WOA
Swap file (Microsoft Windows 3.x)
WOC
Organization chart (Microsoft Windows OrgChart)
WOW
Music module (MOD) (Grave Composer)
WP
Document file (Microsoft WordPerfect for Windows)
WPA
Word processor document (ACT!)
WP4
Document (Microsoft WordPerfect for Windows 4.0)
WP5
Document (Microsoft WordPerfect for Windows 5.0)
WP6
Document (Microsoft WordPerfect for Windows 6.0)
WPD
Demo file (Microsoft WordPerfect for Windows) (ALL)
WPD
Document (Microsoft WordPerfect for Windows)
WPF
Document (Enable)
WPF
Fax document (WorldPort)
WPF
Form file (Microsoft WordPerfect for Windows)
WPG
Microsoft Word for Windows vector graphics (DrawPerfect)
WPG
Graphics file (Microsoft Word for Windows)
WPK
Macro (Microsoft Word for Windows)
WPM
Macro (Microsoft Word for Windows)
WPS
Text document (Microsoft Works)
WPT
Template (Microsoft Word for Windows)
WPW
PerfectWorks document (Novell)
WQ!
Compressed spreadsheet (QuattroPro)
WQ1
Spreadsheet (QuattroPro/DOS)
WQ2
Spreadsheet (QuattroPro version 5)
WR1
Symphony file (Lotus)
WR1
Spreadsheet (Symphony 1.1-2)
WRD
Template (Charisma)
WRG
ReGet document
WRI
Write document (Windows Write)
WRK
Project file (CakeWalk Music Audio)
WRK
Spreadsheet (Symphony 1.0)
WRL
Virtual Reality model
WRP
Compressed Amiga archive (WARP)
WRP
3D modeling file (Raindrop Geomagic) (Scandata)
WRS
Resource file (Microsoft Word for Windows)
WRZ
Another VRML fileject
WS
Text file (WordStar)
WS1
Document (WordStar for Windows version 1)
WS2
Document (WordStar for Windows version 2)
WS3
Document (WordStar for Windows version 3)
WS4
Document (WordStar for Windows version 4)
WS5
Document (WordStar for Windows version 5)
WS6
Document (WordStar for Windows version 6)
WS7
Document (WordStar for Windows version 7)
WSD
Document (WordStar for Windows 2000)
WSP
WorkSpace file (Fortran PowerStation)
WST
Document (WordStar for Windows)
WSZ
Skin (WinAmp)
WTA
Used by wireless telephony applications
WVL
Wavelet Compressed Bitmap
WVW
Interleaf WorldView format (a PDF format)
WWB
Button bar for document window (Microsoft WordPerfect for Windows)
WWK
Keyboard layout file (Microsoft WordPerfect for Windows)
WWL
Add-in file (Microsoft Word)
WXD
Music resource file (Relic Entertainment)(Home World)
WXP
Document file (EXP for Microsoft Windows)
X
AVS image (SDSC Image Tool)
X
Source code file (Lex)
XAR
Corel Xara drawing
XBM
A MIME 'X11" bitmap image
XDL
XML Schema file
XFN
Printer font file (Xerox)
XFN
Printer font file (Ventura Publisher)
XFT
Printer font file (24 Pin) (ChiWriter)
XFX
Fax Document (Various)
XHTML
eXtensible hypertext markup language
XI
Instrument sample file (ScreamTracker)
XI
Instrument file (FastTracker II)
XIF
Wang imaging file (Included with Windows 95)
XIF
Image file (Xerox) (same as TIF)
XIF
Image file (Pagis)
XIF
Image file eXtended (ScanSoft) the file is similar to TIFF and is a (Pagis) native format
XLA
Add-in file (Microsoft Excel)
XLA
Archive (Xlib)
XLB
Toolbar file (Microsoft Excel)
XLB
Datafile (Microsoft Excel)
XLC
Chart file (Microsoft Excel)
XLD
Dialogue file (Microsoft Excel)
XLK
Backup file (Microsoft Excel)
XLL
Add-in file (Microsoft Excel)
XLL
Dynamic link library (Microsoft Excel)
XLM
Macro file (Microsoft Excel)
XLS
Worksheet file (Microsoft Excel)
XLT
Template file (Microsoft Excel)
XLT
Translation table (Lotus 1-2-3)
XLT
Translation table (Symphony)
XLT
Translation table (Procomm Plus)
XLV
VBA module (Microsoft Excel)
XLW
Workbook (Microsoft Excel)
XM
Music module (MOD) (Fast Tracker 2)
XMI
Compressed midi music (eXtended)
XML
eXtensible markup language
XNF
Network file (Standard)
XNK
Shortcut file (Microsoft Exchange)
XON
Datafile (Axon)
XPM
X BitMap format
XQT
Executable file (Waffle)
XQT
Macro file (SuperCalc)
XXX
XXXX
XR1
Data file (Epic Megagames Xargon)
XRF
Cross-reference file (Generic)
XTB
External translation table (LocoScript)
XTP
Data file (Xtree)
XWD
X Window Dump format (SDSC Image Tool)
XWF
Works file (Yamaha XG) (MIDI sequencing)
XWK
Keyboard mapping file (Crosstalk)
XWP
Session file (Crosstalk)
XWP
Text file (Xerox Writer)
XX
Compressed ASCII archive (XXENCODE)
XXE
Compressed ASCII archive (XXENCODE)
XY
Text file (XYWrite)
XY3
Document file (XYWrite III)
XY4
Document file (XYWrite IV)
XYP
Document file (XYWrite III Plus)
XYW
Document file (XYWrite for Windows 4.x)
X01
Secondary index file (Paradox)
X02
Secondary index file (Paradox)
X03
Secondary index file (Paradox)
X04
Secondary index file (Paradox)
X05
Secondary index file (Paradox)
X06
Secondary index file (Paradox)
X07
Secondary index file (Paradox)
X08
Secondary index file (Paradox)
X09
Secondary index file (Paradox)
X16
Macromedia Extra (program extension), 16 bit
X32
Macromedia Extra (program extension), 32 bit