| 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 |
| vcmf | VAIO Content Manager Metadata |
| vco | Virtual CD Collection |
| vcp | Casio ClassPad 300 Virtual ClassPad |
| vcrd | Windows Credential Manager Credential Data |
| vctr | Cesium Vector 3D Tiles Data |
| vd | VEDA Data File |
| vd2 | KNX Virtual Device Export File |
| vd3 | KNX Virtual Device Export File |
| vd4 | KNX Virtual Device Export File |
| vd5 | KNX Virtual Device Export File |
| vdat | SkyGazer Data |
| vdata | Vaulty Vault Data |
| vdb | Norton Antivirus Virus Database |
| vdb3 | VistaDB Database |
| vdbl | Xilinx ISE Internal Data |
| vdbx | Xilinx ISE Internal Data |
| vddl | OpenGL Volumizer VDDL Data |
| vde | VEDA Elements File |
| vdf | VersaCheck Data File |
| vdg | AQLogEdit Export File |
| vdh | Video DownloadHelper Metadata |
| vdjcache | VirtualDJ Cache Data |
| vdjsend | VirtualDJ Data |
| vdl | CyberLink PowerDVD Data |
| vdr | VirtualDub Frame-Server Data |
| vds | VEDA User Sets File |
| vdt | VEDA Topology File |
| vdv | PTV VISSIM Acceleration Record |
| vdw | BrainVoyager QX Diffusion-weighted Data |
| vdx | KNX Virtual Device Export File |