| vsk | Vicon Nexus Skeleton Data |
| vsmacro | Microsoft Visual Studio Macro |
| vst3 | Cubase VST Plugin |
| vsti | Everyone Piano VST Plugin |
| vsto | Microsoft Visual Studio Tools for Office Add-in |
| vxe | Agilent VEE Runtime Program |
| vxf | Line 6 Variax Firmware File |
| vxx | IOsubsys Driver |
| vx_ | Compressed Virtual Device Driver |
| w40 | Windows 95 System File Copy |
| w5s | WinAMP 5 System Plugin |
| wac | WinAMP Component Plugin |
| wbs | Winbot Script |
| wcx | Total Commander Packer Plugin |
| wdgt | Dashboard Widget |
| wdic | Microsoft Word 5 for Mac Plug-in |
| wdx | Total Commander Content Plugin |
| webloc | Macintosh URL Shortcut |
| website | Internet Explorer Pinned Site Shortcut |
| wer | Windows Error Report |
| wflow | Automator Workflow |
| wfx | Total Commander File System Plugin |
| wht | Microsoft NetMeeting Whiteboard |
| wlms | Windows Live Movie Maker Script |
| wlmx | Windows Live Movie Maker Effect |
| wlpk | Renault R-Link Update Package |
| wlx | Total Commander Lister Plugin |
| wordlist | Desktop Poet Word List |
| workflow | Automator Workflow |
| wpe | WordPerfect Entrust Document |
