| wpr | WorkPlace Pro Utilities Report Generator Data |
| wprp | Windows Performance Recorder Recording Profile |
| wps | WorkPlace Pro Utilities Property Sheets Data |
| wpt | WorkPlace Pro Utilities Tree Builder Data |
| wpv | WorkPlace Pro Utilities Value Table Builder Data |
| wpx | WebPlus Site Template |
| wqc | Wondershare QuizCreator Data |
| wqs | WebQuest Surfer Data |
| wr | STK Write Ups File |
| wrapper | Gnome Desktop Wrapper Data |
| wrf | WebEx Recording File |
| wrg | WAsP Resource Grid |
| wrlk | Web Research Document Link |
| wrr | WAsP Roughness Rose Data |
| wrt | WhistlerMap Waypoints Data |
| wrts | Wrts Data |
| wsad | OpenEdge Web Services Application Descriptor |
| wsb | Microsoft Sharepoint Document Set |
| wseq | Workswell Recorded Thermal Sequence |
| wsg | WAsP Site Location Data |
| wsk | Ashampoo Media Player Skin |
| wskn | Wise Care 365 Skin Data |
| wsl | Win-Situ Log |
| wsml | Web Service Modeling Language Data |
| wspak | WebsitePanel Backup |
| wsr | Mail.dat Walk Sequence File |
| wsstyles | Windows Sidebar Styler Style |
| wsv | SpectraMagic v3.6 Data |
| wsvs | Wondershare Filmora Data |
| wsw | WebSite-Watcher Bookmark List |
| wsx | WinMX Server Information File |
| wsxz | SDL WorldServer WSXZ Package |
| wsz | WinAMP Skin |
| wt | WiredTiger Database Dump |
| wt4 | Win-Test Binary Log |