| .website |
Internet Explorer Pinned Site Shortcut |
| .wbcat |
Windows Backup Catalog File |
| .webpnp |
Web Point and Print File |
| .wsp |
SharePoint Solution Package |
| .wdp |
Windows Media Photo File |
| .wid |
SAP BusinessObjects Web Intelligence File |
| .wpost |
Windows Live Writer Post File |
| .wiq |
Visual Studio Work Item Query File |
| .wll |
Windows Dynamic Link Library File |
| .wme |
Windows Media Encoder Session File |
| .wri |
Microsoft Write Document |
| .wm |
Windows Media File |
| .wx |
Wanam Xposed Backup File |
| .wmdb |
Windows Media Database File |
| .wer |
Windows Error Report |
| .wlvs |
Windows Movie Maker Video Settings File |
| .wpx |
Printer Description File |
| .winmd |
Windows Metadata File |
| .waff |
Internet Explorer for Mac Web Archive |
| .wfw |
Windows Firewall Policy File |
| .webtest |
Visual Studio Web Test File |
| .wapproj |
Windows Application Packaging Project File |
| .win |
FoxPro Window Settings |
| .wtr |
Encarta File |