| cfa | Adobe Premiere Conformed Audio |
| cff | BoomTracker 4.0 Song |
| cfxr | Cocoa Sfxr Audio Data |
| ckb | Cricket Audio Bank File |
| ckf | Casio WK-3000 Keyboard File |
| cks | Cricket Audio Stream |
| cl3 | NI Battery Audio Data |
| cmf | Creative Labs Music File |
| SoundFX Macs Opera Tracker Music |
| cmo | Spanish Whiz Audio Data |
| cop | Sam Coupe Audio Data |
| copy | Sony Ericsson Protected Content |
| cpa | Adobe Premiere Pro Conformed Audio |
| crd | Spanish Whiz Card Game Sound |
| csd | CSound Unified Format Audio |
| cseq | Nintendo 3DS Audio Sequence Data |
| csw | Compressed Square Wave |
| cvh | DR-97 Digital Recorder HQ Voice |
| cvs | Continuously Variable Slope Delta Modulation Audio |
| DR-97 Digital Recorder SP Audio |
| cvsd | Continuously Variable Slope Delta Modulation Audio |
| cvu | CVSD Unfiltered Audio |
| d | SPPack Audio Data |
| d00 | OPL2 FM Audio |
| d01 | OPL2 FM Audio |
| d50 | Roland D-50 Patch |
| dab | Digital Audio Broadcasting File |
| dabp | Opendigitalradio DABPlus Encoded Audio |
| dashsnd | Wusikstation Instrument Data |
| daw | Cubase Recording |
| db | DIGIBooster Music Module |
| dbkit | Doggiebox Drum Kit |
| dbm | DigiBooster Pro Tracker Music Module |
| dbsong | Doggiebox Song Data |
| dcm | DCM Music Module |
| dewf | SoundEdit Recorded Instrument |
| df2 | Defractor 2 Instrument |
| dfc | Defractor Instrument |
| dff | Direct Stream Digital Interchange File Format Data |
| dh | David Hanney Music |
| dig | Digilink Format Audio Data |
| Sound Designer Audio |
| digi | DIGIBooster Music Module |
| djl | DJLOOP Compiler Data |
| djmusic | Digital Juice Juicer Music |
| dlp | Microsoft DirectMusic Producer Audio |
| dls | Downloadable Sounds File |
| dm | DeltaMusic Music Module |
| dmc | FamiTracker DPCM Sample |
| dmf | X-Tracker Music Module |
| dmkit | Drumaxx Kit Data |
| dmo | Twin TrackPlayer Music |
| dmpatch | Fruity Loops Studio Drumpad Data |
| dmptrn | Fruity Loops Studio Pattern Data |
| dmu | Digital Mugician Music Module |
| dr8 | FXpansion DR008 Drumkit Data |
| drm | Cubase Drum Map |
| ZOOM MRS-802 Drum Kit Data |
| dro | DOSBox Raw OPL Format Data |
| ds2 | DSS Pro Voice |
| dsd | Direct Stream Digital Audio Data |
| dsdiff | Direct Stream Digital Interchange File Format Data |
| dsf | Direct Stream Digital Audio Data |
| Sega Dreamcast Audio Data |
| dsm | Dynamic Studio Module |
| dsp | Dynamic Studio Professional Module |
| dss | Digital Speech Standard Voice |
| dtm | DeFy Adlib Tracker Music |
| Digitrakker Music Module |
| DigiTrekker Music Module |
| dts | DTS Encoded Audio File |
| dtscore | DTS Core Audio Stream |
| dtshd | DTS-HD Master Audio Suite Data |
| dtsma | DTS-HD Master Audio |
| dub | Tuningwrench Compressed Audio |
| dvf | Sony Digital Voice Recorder Audio |
| dvw | Dektron Digital Voice Recorder Voice |
| dw | David Whittaker Format Music |
| dwa | Digital Waveform Archiver Audio |
| dwd | DiamondWare Digital Audio |
