| viivo | Viivo Encrypted Data |
| vir | Virus-Infected File |
| vl | Citrix Program Neighborhood Database File |
| vlt | WinVault File Archive |
| vmhf | VMware ACE Hot Fix |
| vmhr | VMware ACE Hot Fix Request |
| vmoapp | VMware vCenter Orchestrator Application |
| vpc6 | Microsoft Virtual PC 6 VM Data |
| vpc7 | Microsoft Virtual PC 7 VM Data |
| vpg | VAKCER Project Tracker DLL Plug-in |
| vpo | VAST Programmer Data |
| vprog | Akai VIP Program |
| vsf | Voltage SecureFile Encrypted File |
| vsk | Vicon Nexus Skeleton Data |
| vsmacro | Microsoft Visual Studio Macro |
| vst2 | Ableton Live VST2 Plugin |
| vst3 | Cubase VST Plugin |
| vsti | Everyone Piano VST Plugin |
| vsto | Microsoft Visual Studio Tools for Office Add-in |
| vtscr | VT Trader Screen Data |
| vxe | Agilent VEE Runtime Program |
| vxf | Line 6 Variax Firmware File |
| vxx | Microsoft Windows IOsubsys Driver |
| w31 | Windows 3.1 Startup File |
| w40 | Windows 95 System File Copy |
| w5s | WinAMP 5 System Plugin |
| w95 | Windows 95 Startup File |
| w98 | Windows 98 Startup File |
| wac | WinAMP Component Plugin |
| wbs | Winbot Script |
