| .F2R | Unknown Developer | Arquivos de áudio | Farandoyle Linear Module File | Awave Studio | FMJ-Software |
| .F32 | FMJ-Software | Arquivos de áudio | Raw 32-Bit Audio File | Unknown Software | Unknown Developer |
| .F3R | FMJ-Software | Arquivos de áudio | Farandoyle Blocked Module File | Awave Studio | FMJ-Software |
| .F4A | Adobe Systems Incorporated | Arquivos de áudio | Adobe Flash Protected Audio File | Adobe Flash Player | Adobe Systems Incorporated |
| .F4B | Adobe Systems Incorporated | Arquivos de áudio | Adobe Flash MP4 Audio eBook File | Adobe Flash Player | Adobe Systems Incorporated |
| .F64 | FMJ-Software | Arquivos de áudio | Raw 64-Bit Audio File | FMJ-Software Awave Audio | FMJ-Software |
| .FAR | Electronic Arts | Arquivos de áudio | The Sims Archive File | Dragon UnPACKer | Open Source |
| .FC | OpenText | Arquivos de áudio | FirstClass Settings File | OpenText FirstClass | OpenText |
| .FDA | Relic Entertainment | Arquivos de áudio | Dawn Of War Audio File | Relic Entertainment Dawn of War | Relic Entertainment |
| .FDP | UPEK | Arquivos de áudio | MySafe Encrypted Data | Protector Suite QL | UPEK |
| .FEV | Firelight Technologies | Arquivos de áudio | FMOD Audio Events File | Firelight Technologies FMOD Designer | Firelight Technologies |
| .FFF | Hasselblad | Arquivos de áudio | Hasselblad RAW Image | Microsoft Windows Photos | Microsoft Corporation |
| .FK | Flash-Integro LLC | Arquivos de áudio | Flash Streamed Media File | Adobe Flash Player | Adobe Systems Incorporated |
| .FLAC | Xiph.Org | Arquivos de áudio | Free Lossless Audio Codec File | Eltima Elmedia Player | Open Source |
| .FLM | Image-Line | Arquivos de áudio | FL Studio Mobile Song File | Image-Line FL Studio | Image-Line |
| .FLP | Image-Line | Arquivos de áudio | FL Studio Project File | LMMS | Open Source |
| .FNF | Lugert Verlag GmbH & Co. | Arquivos de áudio | Forte Notation File | Forte | Lugert Verlag GmbH & Co. |
| .FPA | MakeMusic, Inc. | Arquivos de áudio | Finale Performance Assessment File | Finale | MakeMusic, Inc. |
| .FPR | Hewlett-Packard | Arquivos de áudio | Audit Workbench Project | Fortify Static Code Analyzer | Hewlett-Packard |
| .FRG | Magix Software GmbH | Arquivos de áudio | Sound Forge Pro Project File | Sound Forge Pro | Magix Software GmbH |
| .FSB | AutoDesSys, Inc. | Arquivos de áudio | Form•Z Compiled Script | AutoDesSys formZ | AutoDesSys, Inc. |
| .FSC | ProFantasy Software Ltd | Arquivos de áudio | Campaign Cartographer File | Campaign Cartographer 3 | ProFantasy Software Ltd |
| .FTM | Interscape | Arquivos de áudio | FamiTracker Module | FamiTracker | jsr |
| .FUZ | Bethesda Softworks | Arquivos de áudio | Bethesda Softworks Voice File | Unfuzer | Bethesda Softworks |
| .FWV | MASTLabs, LLC | Arquivos de áudio | Fullwave Audio File | Fullwave | MASTLabs, LLC |
| .FXM | pmG Worldwide | Arquivos de áudio | MessiahStudio Motion File | pmG messiahStudio | pmG Worldwide |
| .FZB | Casio Computer Co., Ltd. | Arquivos de áudio | Casio FZ-1 Bank Dump | Awave Studio | FMJ-Software |
| .FZF | Casio Computer Co., Ltd. | Arquivos de áudio | Casio FZ-1 Full Dump | Awave Studio | FMJ-Software |
| .FZV | Unknown Developer | Arquivos de áudio | Casio FZ-1 Voice Dump | Awave Studio | FMJ-Software |
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