| vaa | VAAC Data |
| vac | Vocaloid Accessory File |
| val | Paradox Table Validation Data |
| vamas | VAMAS ISO14976 Data |
| van | Vista Pro Animation |
| var | EES Variable Data |
| vars | abcAVI Tag Editor Query Variants |
| vat | Vala Content Management Server Data |
| vault | Fontcase Vault File |
| vb | Virtual Boy ROM |
| vbai | NI VBAI Data |
| vbak | Autodesk Vault Backup Data |
| vbb | VirtualBoss Backup Data |
| vbd | Visual Basic ActiveX Document |
| vbf | VersaCheck Backup File |
| vbj | BPR2000 Job |
| vbo | Racelogic PerformanceBox ASCII Data |
| vbox | Stormshield Data Security Volume Container |
| vbox-extpack | Oracle VM VirtualBox Extension Pack |
| vboxsave | Stormshield Data Security VBOX Backup |
| vbt | Spyware Doctor Temporary Scan |
| vbtlog | VBTheory Calculator Data |
| vbu | vBProductMaker vBulletin Product Data |
| vc | Vivid 2.0 Color Definition |
| vc7 | DaVis Vector Data |
| vcal | iCal Document |
| vcc | Velocitek Control Center Data |
| vcd | Lattice Reveal Analyzer Exported Waveform |
| vcex | ProfExam Exam Data |
| vcf | 1000 Genomes Project Text Variant Call Format File |
| vck | Nexpose Vulnerability Check Data |
| vcm | Visual Components Model Data |
| vcmf | VAIO Content Manager Metadata |
| vcmx | Visual Components Model Data |
| vco | Virtual CD Collection |