W/        With
W3        (see WWW)
W3A       World Wide Web Applets
W3C       World Wide Web Consortium
W4        What-Works-With-What
WABI      Windows Application Binary Interface [SunSoft]
WAIS      Wide Area Information Server
WAITS     Wide Area Information Transfer System
WAN       Wide Area Network
WATS      Wide Area Telecommunications Service
.WAV      Waveform Audio (file name extension)
WC        Word Count
WCS       World Coordinate System
WDL       Windows Driver Library [Microsoft]
WDRAM     Windows Dynamic Random Access Memory
WELL      Whole Earth 'Lectronic Link (BBS)
WFW       Windows For Workgroups [Microsoft]
WGS       Work Group System
WHAM      Waveform Hold and Modify [Microsoft]
WHC       Workstation Host Connection
WINE      Windows Emulator
WINForum  Wireless Information Networks Forum
WINS      Windows-Internet Naming Service [Microsoft]
WINSOCK   Windows Open Systems Architecture [Microsoft] ,
          Windows Sockets
WINWORD   Word For Windows [Microsoft]
WISE      WordPerfect Information System Environment
WIT       Web Interactive Talk [Internet]
.WKB      Workbook (file name extension) [WordPerfect]
.WKE      Worksheet (file name extension) [Lotus 1-2-3] [LDC]
.WKQ      Spreadsheet (file name extension) [BORQU]
.WKS      Worksheet (file name extension) [Lotus 1-2-3] [LDC]
.WKZ      Compressed Spreadsheet (file name extension) [BORQU]
.WK1      Worksheet (file name extension) [Lotus 1-2-3] [LDC]
WL        Word Line
WMC       Workflow Management Coalition
.WMF      Windows Metafile Format (file name extension) [Microsoft]
WNIC      Wide-Area Network Interface Co-Processor
WNIM      Wide-Area Network Interface Module
W/O       Without
WORM      Write Once, Read Many
WOS       Workstation Operating System
WOSA      Windows Open Services/Systems Architecture [Microsoft]
WP        WordPerfect , Word Processing , Write Protected
.WPD      Windows Printer Description (file name extension)
.WPG      WordPerfect Graphics (file name extension)
WPHD      Write-Protect Hard Disk
.WPK      Keyboard (file name extension) [WordPerfect]
WPM       Words Per Minute
.WPM      Macro (file name extension) [WordPerfect]
WPOS      Workplace Operating System
WPS       Windows Printing System [Microsoft] ,
          Workplace Shell [OS2]
WPVM      Windows Parallel Virtual Machine
.WQ1      Spreadsheet (file name extension) [BORPQU]
.WQ!      Compressed Spreadsheet (file name extension) [BORPQU]
WRAM      Windows Random Access Memory
.WRI      Write (file name extension)
WS        WordStar , Workstation
WT        Write Through
WWIS      World Wide Information System [Internet]
WWW       World-Wide Web [Internet]
WYSBYGI   What You See Before You Get It
WYSIWYG   What You See Is What You Get