| Abbreviation | Definition |
|---|---|
| UWL | WordPerfect User Word List |
| UXD | URLBase URL Database file |
| UXF | UltraFractal files |
| UXP | URLBase v5.1 URL Database file |
| UXX | Epic Unreal Tournament 2003 Cache file |
| V | Subsampled Raw YUV file |
| V | Vivid 2.0 Main input file for an image |
| VAL | Validity checks and referential integrity ( Paradox for Windows) |
| VAL | Values list object file (dBASE Application Generator) |
| VAN | VistaPro Animation |
| VAP | Value Added Process ( NetWare 2.xx) |
| VAR | Variable file ( IconAuthor) |
| VB6 | Visual Basic Table |
| VBD | ActiveX document file |
| VBF | Visual Batch File |
| VBP | Visual Basic Project |
| VBR | Visual Basic Custom Control file |
| VBS | Visual Basic Script |
| VBX | Visual Basic eXtension |
| VBZ | Visual Basic Setup Wizard Template (Setup Wizard) |