Disk File Types - File extensions used for disk files.
| Extension | File Description | Popularity | |
| .000 | Virtual CD ISO File | Average | |
| .2mg | Apple IIGS Disk Image | Rare | |
| .aa | Generic CD Image | Average | |
| .adf | Amiga Disk File | Average | |
| .adz | Compressed Amiga Disk File | Average | |
| .atr | Atari Disk Image | Uncommon | |
| .b5i | BlindWrite 5 Disk Image | Average | |
| .b5t | BlindWrite 5 Disc Track Information File | Average | |
| .b6i | BlindWrite 6 Disc Image | Average | |
| .b6t | BlindWrite 6 Track Information File | Average | |
| .bdf | MIDAS BDF Disk Image File | Rare | |
| .bif | Boot Information File | Average | |
| .bin | CDRWin CD Image | Average | |
| .bwa | BlindWrite Disk Information File | Average | |
| .bwi | BlindWrite CD/DVD Disc Image | Average | |
| .bws | BlindWrite Sub Code File | Average | |
| .bwt | BlindWrite 4 Disk Image | Average | |
| .c2d | WinOnCD Disc Image | Average | |
| .ccd | CloneCD Disk Image | Average | |
| .cd | CD-i OptImage | Average | |
| .cdi | DiscJuggler Disc Image | Average | |
| .cif | Easy CD Creator Disk Image | Uncommon | |
| .cl5 | Easy CD Creator 5 Saved Project | Average | |
| .cso | Compressed ISO Disk Image | Average | |
| .cue | Cue Sheet File | Average | |
| .cue | CDRWin Cue Sheet | Average | |
| .d64 | Commodore 64 Disk Image | Average | |
| .d88 | Toshiba Pasopia 7 Disk File | Average | |
| .daa | PowerISO Direct-Access-Archive | Average | |
| .dao | Disk at Once CD/DVD Image | Average | |
| .dax | PSP Compressed ISO Disc Image | Average | |
| .dcf | Disk Copy Fast Disk Image File | Rare | |
| .disk | Linux Virtual Hard Disk | Average | |
| .dmg | Mac OS X Disk Image | Very Common | |
| .dms | Disk Masher Image | Average | |
| .dsk | Disk Image | Average | |
| .dvd | CloneCD DVD Information File | Average | |
| .eda | Ensoniq ASR Disk Image | Average | |
| .ede | Ensoniq EPS Disk Image | Average | |
| .edk | Ensoniq KT Disk Image | Average | |
| .edq | Ensoniq SQ1/SQ2/KS32 Disk Image | Average | |
| .eds | Ensoniq SQ-80 Disk Image | Average | |
| .edv | Ensoniq VFX-SD Disk Image | Average | |
| .eui | Ensoniq EPS Compacted Disk Image | Average | |
| .fcd | Virtual CD Format | Average | |
| .fdi | Amiga Disk Image | Average | |
| .flp | Floppy Disk Image | Average | |
| .gbi | gBurner Project File | Average | |
| .gcd | Prassi CD Image | Uncommon | |
| .gi | Global Image | Average | |
| .gi | RecordNow! CD Image | Average | |
| .gkh | Ensoniq EPS Family Disk Image | Average | |
| .hdd | Parallels Desktop Hard Disk File | Average | |
| .i00 | DVD Shrink Part 1 File | Average | |
| .i01 | DVD Shrink Part 2 File | Average | |
| .i02 | DVD Shrink Part 3 File | Average | |
| .ibp | IsoBuster Managed Image Information File | Average | |
| .ibq | IsoBuster Managed Image File | Average | |
| .ima | Disk Image | Average | |
| .image | Apple Disk Image | Average | |
| .img | Macintosh Disk Image | Average | |
| .img | CloneCD Disk Image Data File | Average | |
| .ipf | Interchangeable Preservation File | Average | |
| .iso | Disc Image File | Very Common | |
| .isz | Zipped ISO Disk Image | Average | |
| .ixa | Ulead Disc Image format | Average | |
| .lcd | CDSpace Emulated Disk Image | Average | |
| .lnx | Atari Lynx ROM | Average | |
| .mbi | Multi-Bootable Information File | Average | |
| .md0 | Alcohol Disk Image Segment 1 | Average | |
| .md1 | GEAR CD/DVD Disc Image | Average | |
| .md1 | Alcohol Disk Image Segment 2 | Average | |
| .md2 | Alcohol Disk Image Segment 2 | Average | |
| .mdf | Media Disc Image File | Common | |
| .mds | Media Descriptor File | Average | |
| .mds | Alcohol Disc Image Track Data | Average | |
| .ncd | NTI CD-Maker Disc Image | Average | |
| .nfi | Dreambox Disc Image | Rare | |
| .nn | Nero CD File List | Uncommon | |
| .nrg | Nero CD/DVD Image File | Common | |
| .nri | Nero ISO CD Compilation File | Average | |
| .p01 | Toast CD Image | Average | |
| .p01 | GEAR CD/DVD Disc Image | Average | |
| .partimg | Partimage File | Average | |
| .pdi | InstantCopy Disc Image | Average | |
| .pqi | PowerQuest Drive Image | Uncommon | |
| .pvm | Parallels Virtual Machine | Common | |
| .pxi | PlexTools Disc Image | Average | |
| .ratdvd | RatDVD Disk Image | Uncommon | |
| .rcl | Easy CD and DVD Creator 6 Project | Average | |
| .rdf | PowerProducer Disc Image | Uncommon | |
| .sdi | Windows System Deployment Image | Uncommon | |
| .simg | Synclavier Disk Image File | Average | |
| .smi | Self-Mounting Disk Image | Uncommon | |
| .sopt | Synclavier Optical Disk Image File | Average | |
| .sparsebundle | Mac OS X Sparse Bundle | Average | |
| .sparseimage | Mac OS X Sparse Image | Average | |
| .sqfs | Squash FS Bootable File | Average | |
| .st | Atari ST Disk Image | Average | |
| .swm | Split Windows Imaging Format File | Uncommon | |
| .t64 | Commodore 64 Tape Image File | Average | |
| .tao | Track at Once CD/DVD Image | Average | |
| .tap | Commodore 64 Cassette Tape Image | Uncommon | |
| .tc | TrueCrypt Volume | Average | |
| .td0 | Teledisk Archive | Average | |
| .tib | Acronis True Image File | Average | |
| .toast | Toast Disc Image | Very Common | |
| .toc | Brasero Table of Contents File | Uncommon | |
| .tzx | ZX Spectrum Tape Image File | Average | |
| .uibak | UltraISO Backup Disk Image | Average | |
| .uif | Universal Image Format Disc Image | Average | |
| .vaporcd | Norum Vapor CD | Average | |
| .vc4 | Virtual CD Disk Image | Average | |
| .vcd | Virtual CD | Very Common | |
| .vcd | FarStone Virtual Drive | Average | |
| .vdi | Virtuo CD Manager Disk Image | Average | |
| .vdi | VirtualBox Virtual Disk Image | Average | |
| .vhd | Virtual PC Virtual Hard Disk | Average | |
| .vmdk | Virtual Machine Disk File | Common | |
| .vmwarevm | VMware Fusion Virtual Machine | Average | |
| .wim | Windows Imaging Format File | Average | |
| .x64 | Commodore 64 Disk Image | Average | |
| .xa | GEAR CD/DVD Disc Image | Average | |
| .xmd | GameJack Disc Image | Average | |
| .xmf | GameJack Disc Image File | Average |
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