| f64 | Floating-point Raw 64-bit Audio |
| far | Farandole Composer Music Module |
| fc | Future Composer Module |
| fff | Gravis UltraSound Sound Bank Data |
| fib | FM-Kingtracker Sound Bank |
| flac | Free Lossless Audio Codec File |
| flt | StarTrekker Music Module |
| fmk | FM-Kingtracker Module |
| fnk | FunkTracker Music Module |
| for | Kurzweil Forte Audio Data |
| fpt | Farandole Composer Pattern |
| fsb | FMOD Sample Bank |
| fsm | Farandole Composer Sample |
| fti | FamiTracker Instruments Data |
| ftm | FamiTracker Music |
| fuzz | Fuzzac Packer Module |
| fuzza | Fuzzac Packer Module |
| fuzzak | Fuzzac Packer Module |
| fzb | Casio FZ-1 Bank Dump |
| fzf | Casio FZ-1 Full Dump |
| fzv | Casio FZ-1 Voice Dump |
| g18 | Recomposer MIDI Sequence |
| g36 | Recomposer MIDI Sequence |
| g5l | Roland GR-55 Patch |
| g5p | Zoom G5 Patch |
| g721 | G.721 Audio Data |
| g723 | G.723 Audio File |
| g723-3 | G.723 Audio File |
| g723-5 | G.723 Audio File |
| g726 | G.726 Audio Data |
| gbf | Nintendo Gameboy Advance Audio Data |
| gbs | Nintendo Gameboy Audio Data |
| gi! | Tascam Gigastudio Compressed Instrument |
| gig | Tascam Gigastudio Instrument |
| gio | Adagio Score Language Data |