| vsdp | CoffeeCup Visual Site Designer Project |
| vsmproj | Microsoft Visual Studio Text Macro Project |
| vsp | IAR visualSTATE Project |
| vsp | Corel VideoStudio Project |
| vsproj | Microsoft Visual Studio Project |
| vsq | VOCALOID2 Sequence |
| vsqx | VOCALOID3 Sequence |
| vtn | VTWIN Network Project |
| vtp | VisionTools Pro-E Project |
| vtpr | VTales Store Visualizer Project |
| vts | VTWIN Single Project |
| vts | Intel VTune Project |
| vue | Intergraph Smart Review 3D Model |
| vup | Visual Studio Utility Project |
| vxz | Vertex BD Project Archive |
| vzr | Vezer Project |
| w2p | Webit v2 Project |
| wae | Web Alive Editor Compressed Project |
| wapproj | Windows Application Packaging Project |
| wbdb | ANSYS Workbench Project Database |
| wbpj | ANSYS Workbench Project |
| wcp | WinDVD Creator Project |
| wcp | WebCopier Project |
| wcpl | WebCopier Project Settings Data |
| wdgtproj | Dashcode Widget Project |
| wdp | WinDev Project |
| wdproj | Visual Studio Web Deployment Project |
| wds | 3D Haus Design Studio Project |
| webapp | Website 2 APK Project |
| webproj | Visual Studio .NET Web Project |