| toast | Roxio Toast Disk Image |
| toc | Brasero ToC Data |
| trd | TR-DOS Disk Image |
| trd | TR-DOS Floppy Disk Image |
| ubi | UBI Filesystem Image |
| ubifs | UBI Filesystem Image |
| udi | TR-DOS Floppy Disk Image |
| udif | Apple Mac OS X Universal Disk Image |
| ufs | FreeBSD Unix File System Image |
| uibak | UltraISO Backup Image |
| uif | MagicISO Disk Image |
| v2i | Norton Ghost Virtual Volume Image |
| vaporcd | VaporCD Image |
| vc10 | Virtual CD v10 Image |
| vc4 | Virtual CD Image |
| vc5 | Virtual CD Image |
| vc6 | Virtual CD Image |
| vc8 | Virtual CD Image |
| vc9 | Virtual CD Image |
| vcd | FarStone Virtual Drive Image |
| vcd | Virtual CD Image |
| vcf | VPHybridCAD Old Drawing |
| vci | VPHybridCAD Old Drawing |
| vdd | Phantom Burner Virtual Disk Image |
| vdi | VirtualBox Virtual Disk Image |
| veracrypt | VeraCrypt Encyrpted Volume |
| vfd | Virtual Floppy Disk Image |
| vff | Wii Virtual Fat Filesystem |
| vhd | Virtual Hard Disk Image |
| vhdx | Windows Server Virtual Hard Drive |
