| efs | SQ-80 Sample |
| efv | Ensoniq VFX-SD Instrument |
| elastik | Elastik Sound Bank Data |
| em2 | E-mu Emax II Sound Bank |
| emb | Everest Embedded Bank Data |
| emd | Advanced 16-Bit Tracker Module |
| emelody | eMelody Ringtone |
| emu-sl | E-MU 0202 Sound Library |
| emy | eMelody Ringtone |
| eol | Digital Winds Music |
| eopn | Everyone Piano Composed Music |
| eov | Epson Voice Creation Tool Voice Data |
| epm | Electric Pipes Music |
| eseq | Yamaha E-SEQ File |
| esps | ESPS Sampled Data |
| esu | ESU LokSound Electronic Sound |
| eta | eTreppid Audio Data |
| etm | eTreppid Audio Data |
| etv | eTreppid Audio Data |
| etw | Enter-Tech Recorded Audio |
| evrc | Enhanced Variable Rate Codec Audio |
| ewi | EastWest PLAY Instrument Data |
| exl | Korg X3 Song |
| exs | Emagic EXS-24 Instrument |
| f2r | Farandole Composer Linear Module |
| f32 | Floating-point Raw 32-bit Audio |
| f3r | Farandoyle Composer Blocked Module |
| f4a | Adobe Flash MP4 Audio Stream |
| f4b | Adobe Flash MP4 Audio Book |
| f64 | Floating-point Raw 64-bit Audio |
| far | Farandole Composer Music Module |
| fc | Future Composer Module |
| fc13 | Future Composer Module |
| fc14 | Future Composer Module |
| fff | Gravis UltraSound Sound Bank Data |
