| F File Extensions |
File types with extensions that start with the letter F.
| Extension | File Type | File Summary |
| .f | Manufacturer | Fortran Source Code |
| .f | Compressed | Freeze Compressed File |
| .f2r | Audio | Farandoyle Linear Module File |
| .f32 | Audio | Raw 32-Bit Audio File |
| .f3r | Audio | Farandoyle Blocked Module File |
| .f4a | Audio | Adobe Flash Protected Audio File |
| .f4p | Video | Adobe Flash Protected Media File |
| .f4v | Video | Flash MP4 Video File |
| .f64 | Audio | Raw 64-Bit Audio File |
| .f90 | Manufacturer | Fortran 90 Source File |
| .fa | Data | FASTA Formatted Sequence File |
| .fac | Raster Image | FACE Image File |
| .face | Raster Image | FACE Graphic File |
| .fal | Raster Image | Bitmap Graphic Header Information |
| .faq | Text | Frequently Asked Questions Document |
| .far | Audio | Farandole Composer Module |
| .far | Game | The Sims Archive File |
| .fas | Executable | Compiled Fast-Load AutoLISP File |
| .fas | Executable | QuickSilver Fast Save Lisp File |
| .fasta | Data | FASTA Sequence File |
| .fat | Settings | Zinf Theme File |
| .fax | Raster Image | Fax Document |
| .fb2 | Text | FictionBook 2.0 File |
| .fbc | Backup | Family Tree Maker for DOS Backup File |
| .fbf | Backup | Free Backup Fix Backup File |
| .fbk | Backup | Family Tree Maker for Windows Backup File |
| .fbk | Backup | Microsoft Dynamics NAV Backup File |
| .fbl | GIS | iGO Map File |
| .fbl | Text | CADfix Command Level Log File |
| .fbm | Raster Image | Fuzzy Bitmap Image |
| .fbp | Manufacturer | wxFormBuilder Project |
| .fbr | Video | Mercury Screen Recording |
| .fbr | Video | FlashBack Screen Recording |
| .fbu | Backup | FEBE Firefox Backup File |
| .fbw | Backup | HP Recovery Manager Backup File |
| .fbx | 3D Image | Autodesk FBX Interchange File |
| .fbz | Video | FlashBack Screen Recorder Movie |
| .fc2 | 3D Image | Poser Face Pose File |
| .fc2map | Game | Far Cry 2 User Map |
| .fcc | Settings | Forms Credential Collector File |
| .fcd | Database | First Choice Database |
| .fcd | Disk Image | Virtual CD Format |
| .fcd | CAD | FastCAD DOS Drawing |
| .fce | Manufacturer | ForeUI Custom Element File |
| .fcl | Manufacturer | ForeUI Custom Library File |
| .fcp | Video | Final Cut Project |
| .fcs | Spreadsheet | First Choice Spreadsheet |
| .fcw | CAD | FastCAD Windows Drawing |
| .fcz | 3D Image | Compressed Poser Face Pose File |
| .fd | Manufacturer | DataFlex Data File |
| .fd | Settings | LaTeX Font Definition File |
| .fd2 | Page Layout | PictureMate Borders File |
| .fdb | Data | Art Explosion Catalog |
| .fdb | Database | Microsoft Dynamics NAV Database File |
| .fdb | Data | Portfolio Catalog |
| .fdc | Settings | AutoCAD Field Catalog File |
| .fdd | Disk Image | Parallels Desktop Floppy Disk Image File |
| .fdf | Text | Acrobat Forms Data Format |
| .fdi | Disk Image | Amiga Disk Image |
| .fdp | Compressed | MySafe Encrypted Data |
| .fdr | Misc | Windows Error Report File |
| .fdr | Text | Final Draft Document |
| .fds | Text | Final Draft Secure Copy |
| .fds | GIS | FME Custom Format File |
| .fdx | Text | Final Draft Document |
| .fes | Text | Fileless Occurrence Placeholder |
| .fev | Settings | FLAMES Environment Variable File |
| .ff | Game | Call of Duty 4 Fast File |
| .ffa | System | Find Fast Status File |
| .ffd | Data | Flat File Description |
| .fff | Audio | Gravis UltraSound Sound Bank |
| .ffil | Font | Mac Font Suitcase |
| .ffl | System | Find Fast Document List |
| .ffo | Data | Adobe Photoshop File Information File |
| .ffo | System | Find Fast Document Properties Cache |
| .ffs | GIS | FME Desktop Feature Store File |
| .fft | Text | Final Form Text File |
| .ffwp | Data | FormsForWeb Packet |
| .ffx | Settings | After Effects Preset File |
| .ffx | System | Microsoft Find Fast Index |
| .fg | 3D Image | FaceGen Project File |
| .fgd | Game | Forge Game Data File |
| .fgl | Manufacturer | Fifth Generation Language Source File |
| .fh10 | Vector Image | FreeHand 10 Drawing File |
| .fh11 | Vector Image | FreeHand 11 Drawing File |
| .fh7 | Vector Image | FreeHand 7 Drawing File |
| .fh8 | Vector Image | FreeHand 8 Drawing File |
| .fh9 | Vector Image | FreeHand 9 Drawing File |
| .fhc | Data | FHC Data File |
| .fhd | Vector Image | FreeHand Drawing File |
| .fic | Database | WINDEV Hyper File Database |
| .fid | Data | File Expander Engine Descriptions Database |
| .fif | Vector Image | Fractal Image File |
| .fig | Vector Image | Xfig Drawing |
| .fil | Raster Image | Symbian Application Logo File |
| .fil | Data | Files List Object File |
| .fila | Game | Aleph One Replay File |
| .file | Misc | Generic Windows File |
| .filters | Manufacturer | Visual C++ Project Filters File |
| .fits | Raster Image | Flexible Image Transport System File |
| .fky | Executable | FoxPro Macro |
| .fl | Game | Freelancer Saved Game File |
| .fla | Manufacturer | Adobe Flash Animation |
| .flac | Audio | Free Lossless Audio Codec File |
| .flame | Data | Fractal Flame File |
| .flb | Page Layout | FileMaker Pro Label File |
| .flc | Video | FLIC Animation |
| .flf | Misc | Microsoft Dynamics NAV License File |
| .flg | Disk Image | IsoPuzzle Flag File |
| .flh | Video | FLIC Animation File |
| .fli | Video | FLIC Animation |
| .flipchart | Data | ActivInspire Flipchart File |
| .flk | Data | Folder Lock File |
| .fll | Data | FoxPro Dynamic-Link Library |
| .flo | Data | iGrafx FlowCharter File |
| .flo | Data | RFFlow Flowchart File |
| .flp | Data | Flash Project |
| .flp | Audio | FruityLoops Project |
| .flp | Disk Image | Floppy Disk Image |
| .flp | Data | ActivPrimary Flipchart File |
| .flr | Text | Flare Decompiled ActionScript File |
| .fls | GIS | ArcView GIS Windows Help Supporting File |
| .fls | Audio | Flash Lite Sound Bundle |
| .flst | Settings | Adobe InDesign Flattener Presets File |
| .flt | Data | Flight Simulator Saved Flight |
| .flt | Settings | Vue Filters File |
| .flt | Plugin | Adobe Audition Filter |
| .flt | Plugin | Image Filter |
| .flv | Video | Flash Video File |
| .flx | Video | FLIC Animation |
| .flx | CAD | FelixCAD Drawing |
| .fm | Spreadsheet | FileMaker Spreadsheet |
| .fm | Page Layout | FrameMaker Document |
| .fm3 | Settings | Lotus 1-2-3 Spreadsheet Format File |
| .fm5 | Database | FileMaker 5 Database |
| .fme | GIS | FME Mapping File |
| .fmelic | Misc | FME License File |
| .fmi | GIS | FME Include File |
| .fml | Game | WWE RAW Character File |
| .fmod | Settings | Adobe Illustrator Flattening Module |
| .fmp | Web | 123 Flash Menu Project |
| .fmp | Settings | AutoCAD Font Map File |
| .fmp | Database | FileMaker Pro Database |
| .fmplugin | Plugin | FileMaker Plug-in |
| .fmt | Settings | FoxPro Format File |
| .fmv | Vector Image | Frame Vector Metafile |
| .fmv | GIS | FME Desktop Viewspace File |
| .fmw | GIS | FME Workbench File |
| .fmx | Plugin | FileMaker Plug-in |
| .fnc | Settings | Frogans Player Network Certificate |
| .fnc | 3D Image | Vue Functions File |
| .fnc | CAD | QuickCAM 3D CNC File |
| .fnt | Font | Windows Font File |
| .fnta | Game | Aleph One Font File |
| .fo | Data | XSL-FO Form |
| .fob | Data | Dynamics NAV Object Container File |
| .fol | Database | PFS First Choice Database File |
| .fon | Font | Generic Font File |
| .fop | Data | InfoZoom Protected Data File |
| .for | Manufacturer | Fortran 77 Source File |
| .forge | Game | Assassin’s Creed Game Data File |
| .fos | Game | Fallout 3 Saved Game |
| .fox | Data | InfoZoom Data File |
| .fp | Spreadsheet | FileMaker Pro Spreadsheet |
| .fp3 | Database | FileMaker Pro 3 Database |
| .fp3 | 3D Image | FloorPlan 3D Design File |
| .fp4 | Database | FileMaker Pro 4 Database |
| .fp5 | Database | FileMaker Pro 5 Database |
| .fp7 | Database | FileMaker Pro 7+ Database |
| .fpa | Manufacturer | Front Panel Encrypted Order File |
| .fpbf | System | Mac OS X Burn Folder |
| .fpd | Manufacturer | Front Panel Order File |
| .fpe | 3D Image | FPS Creator Entity File |
| .fpenc | Encoded | FileProtect Encrypted File |
| .fpf | 3D Image | IKEA Home Planner File |
| .fpfv | Misc | File Protected From Virus |
| .fpg | Raster Image | Fenix Graphics Collection File |
| .fpg | Game | FPS Creator Game Project File |
| .fpi | Executable | FPS Creator Intelligence Script |
| .fpid | Game | FPS Creator AI Wizard Data File |
| .fpk | Misc | JetForm FormFlow File |
| .fpm | Manufacturer | FPS Creator Map File |
| .fpm | Game | FPS Creator Map File |
| .fpmb | Game | FPS Creator Mab Buffer File |
| .fpmo | Game | FPS Creator Map Overlay File |
| .fpp | Manufacturer | Fortran Source Code |
| .fpp | Game | FPS Creator Prefab File |
| .fpp | Manufacturer | Front Panel Project |
| .fps | Game | FPS Creator Segment File |
| .fpsl | Data | FileMaker Pro Snapshot Link |
| .fpt | Database | FileMaker Pro Database Memo File |
| .fpt | Text | FoxPro Table Memo |
| .fpx | Raster Image | FlashPix Bitmap Image File |
| .framework | Manufacturer | Mac OS X Application Framework |
| .frc | Settings | Mandelbrot Explorer Color Settings File |
| .frc | Game | FS Recorder File |
| .frg | Audio | Sony Sound Forge Pro Project File |
| .frj | Manufacturer | FreeForm-J Project File |
| .frk | Misc | Macintosh Resource or Data Fork |
| .frl | Data | Electronic Form Loader |
| .frm | Manufacturer | Visual Basic Text Form |
| .frm | Database | MySQL Database Format File |
| .frm | Data | ADL Form |
| .frm | Raster Image | Painter Frame Stack File |
| .frm | Misc | Form File |
| .fro | Data | dBASE IV Compiled Report |
| .frr | Settings | Mandelbrot Explorer Fractal Region Settings File |
| .frs | Executable | Flash Renamer Script |
| .frt | Text | FoxPro Report Memo |
| .frx | Data | FoxPro Report |
| .frx | Manufacturer | Visual Basic Binary Form |
| .frz | Misc | Locked FormFlow File |
| .frz | Game | Snes9x Saved State |
| .fs | Plugin | Mac OS X File System Plug-in |
| .fs | Manufacturer | Visual F# Source File |
| .fs | Vector Image | FlexiSIGN Document |
| .fs2 | Game | FreeSpace 2 Saved Mission File |
| .fsb | Data | FMOD Sample Bank File |
| .fsc | Data | Practical Scriptwriter File |
| .fsg | Game | FreeCol Saved Game File |
| .fsi | Manufacturer | Visual F# Signature File |
| .fsm | Encoded | Splitty Master Split File |
| .fsm | Game | FreeSpace Mission File |
| .fsm | Audio | Farandole Composer WaveSample File |
| .fsproj | Manufacturer | FireStarter Project File |
| .fsproj | Manufacturer | Visual F# Project File |
| .fss | Encoded | Splitty Data Split File |
| .fsscript | Manufacturer | Visual F# Script |
| .fst | Game | Crazy Machines 2 Object File |
| .fsx | Manufacturer | Visual F# Script File |
| .ft | Settings | Edgecam Feature Template |
| .ft10 | Vector Image | FreeHand 10 Drawing Template |
| .ft11 | Vector Image | FreeHand 11 Drawing Template |
| .ft7 | Vector Image | FreeHand 7 Drawing Template |
| .ft8 | Vector Image | FreeHand 8 Template |
| .ft9 | Vector Image | FreeHand 9 Drawing Template |
| .ftg | System | Full Text Group |
| .fth | Settings | FileMaker Theme File |
| .fth | Settings | Foobar2000 Theme File |
| .ftil | Misc | e-Hastakshar Contract Note |
| .ftl | Data | Family Tree Legends File |
| .ftl | Manufacturer | FreeMarker Template File |
| .ftm | Data | Family Tree Maker for DOS File |
| .ftm | Audio | FamiTracker Module |
| .ftploc | Misc | FTP Location |
| .fts | System | Full Text Search |
| .ftw | Data | Family Tree Maker File |
| .ful | Backup | Microsoft Backup File List |
| .fw | Misc | Firmware Update File |
| .fwt | Settings | FacetWin Configuration File |
| .fx | 3D Image | Direct3D Effects File |
| .fxa | 3D Image | OC3 Entertainment FaceFX Actor File |
| .fxb | Plugin | VST Audio Plug-in |
| .fxc | Text | FilePackager Configuration |
| .fxf | Data | BigFix Action File |
| .fxg | Vector Image | Flash XML Graphics File |
| .fxm | Page Layout | WinFax Document |
| .fxp | Data | Adobe Flex Project File |
| .fxp | Executable | FoxPro Compiled Source |
| .fxp | Plugin | VST Audio Plug-in |
| .fxpl | Manufacturer | Adobe Flash FXP Library |
| .fxt | Plugin | Finale Plug-in |
| .fzb | Audio | Casio FZ-1 Bank Dump |
| .fzf | Audio | Casio FZ-1 Full Dump |
| .fzip | Plugin | Foxit Reader Add-on |
| .fzv | Audio | Casio FZ-1 Voice Dump |