| File extension | The full name of the file |
|---|---|
| File extension F | Fortran Source Format |
| File extension F#+A | RagTime Classic |
| File extension F#+D | RagTime Classic |
| File extension F+DB | Microsoft FoxPro Database |
| File extension F01 | HEC-RAS Flow |
| File extension F02 | HEC-RAS Flow |
| File extension F04 | HEC-RAS Flow |
| File extension F05 | HEC-RAS Flow |
| File extension F06 | DOS Screen Text 6 Pixels Height Font |
| File extension F08 | DOS Screen Text 8 Pixels Height Font |
| File extension F09 | DOS Screen Text 9 Pixels Height Font |
| File extension F10 | DOS Screen Text 10 Pixels Height Font |
| File extension F11 | DOS Screen Text 11 Pixels Height Font |
| File extension F12 | DOS Screen Text 12 Pixel Height Font |
| File extension F13 | Dos Screen Text 13 Pixels Height Font |
| File extension F16 | DOS Screen Text 16 Pixels Height Font |
| File extension F2B | ProntoGERBER-CONNECTION Board Database |
| File extension F2F | Byteworx FMEA Exported Data |
| File extension F2R | Farandole Linear Module Format |
| File extension F32 | Floating Point Raw 32-bit IEEE Data |
| File extension F3D | Fusion 3D Design |
| File extension F3F | Crazy Machines Font Data Format |
| File extension F3R | Farandole Blocked Linear Module Format |
| File extension F4A | Adobe Flash MP4 Audio Stream Format |
| File extension F4B | Adobe Flash MP4 Audio EBook |
| File extension F4F | Flash Video Fragment |
| File extension F4M | Adobe HTTP Dynamic Streaming Flash Media Manifest |
| File extension F4P | Adobe Flash Protected MP4 Format |
| File extension F4V | Adobe Flash Mp4 Format |
| File extension F4X | Adobe HTTP Dynamic Streaming Index |
| File extension F64 | Floating Point Raw 64-bit IEEE Data |
| File extension F90 | Intel Fortran 90 Language Source Format |
| File extension F95 | Fortran 95 Language Source Code |
| File extension FA | FASTA DNA Data Format |
| File extension FAC | Facemaker Face Format |
| File extension FACE | UNIX FaceSaver Bitmap Image Format |
| File extension FACEFX | FaceFX Actor Format |
| File extension FACEFX_INGAME | FaceFX In-Game Actor Format |
| File extension FACT | EIAS ElectricImage 3D |
| File extension FACTORYPATH | Eclipse Factorypath |
| File extension FAD | Office Attribute Database |
| File extension FADEIN | Fade In Screenwrite Document |
| File extension FAE | MS Office 97 Converter DLL |
| File extension FAG | Win32.AutoRun.fag |
| File extension FAL | Bitmap Graphics Image Header Information Q0 |
| File extension FAM | The Sims Family |
| File extension FAMILYFILE | Reunion Family Format |
| File extension FAN | Form•Z Animation Format |
| File extension FAQ | Frequently Asked Questions Format |
| File extension FAR | Farandole Composer Music Module |
| File extension FAS | AutoCAD Fast-load Auto LISP Format |
| File extension FASTA | FASTA Format DNA And Protein Sequence Alignment |
| File extension FAT | Zinf Theme Format |
| File extension FATESAVEDGAME | Fate Save Game |
| File extension FATEUNDISCOVEREDREALMSSAVEDGAME | Fate Undiscovered Realms Save Game |
| File extension FAU | Simulation Laboratory Creator Collapsed Fault List |
| File extension FAV | Microsoft Outlook Bar-shortcut |
| File extension FAVORITE | Apple IDVD Favorite |
| File extension FAVORITEMETADATA | Transmit For Mac Login Data Format |
| File extension FAX | Fax File (generic Group 3 1bit Encoded Data) |
| File extension FB | DR-DOS Backup |
| File extension FB! | FlashGet Incomplete Download |
| File extension FB1 | FAWAVE Binary |
| File extension FB2 | FictionBook EBook Format |
| File extension FBC | Family Tree Compressed Backup Format |
| File extension FBD | FlowBiz Workflow Designer Procedure Document |
| File extension FBF | Free Backup Fix Backup Format |
| File extension FBG | Shape Pro Ground Surface |
| File extension FBI | Total Annihilation Main Unit Definition |
| File extension FBK | Microsoft Dynamics NAV Backup Format |
| File extension FBL | IGO Map Format |
| File extension FBM | Fuzzy Bitmap Image Format |
| File extension FBN | ArcView Spatial Index |
| File extension FBND | Apple Communication Tool |
| File extension FBOK | Adobe FrameMaker Book |
| File extension FBP | WxFormBuilder Project Format |
| File extension FBP7 | FinalBuilder 7 Project |
| File extension FBPROJ | FlippingBook Photo Album Project |
| File extension FBQ | Trine 2 Game Archive |
| File extension FBR | BB FlashBack Recorded Video Format |
| File extension FBRB | Battlefield Bad Company 2 Game Format |
| File extension FBS | Fastbid |
| File extension FBT | ABBYY FineReader Document Options Format |
| File extension FBU | FEBE Firefox Add-in ZIP Format |
| File extension FBV | FinalBuilder Persistent Variables |
| File extension FBW | HP Backup Split Backup Format |
| File extension FBX | Autodesk FBX Interchange Format |
| File extension FBZ | BB FlashBack Screen Record Format |
| File extension FBZ6 | FinalBuilder Compressed Project |
| File extension FBZ7 | Compressed FinalBuilder 7 Project |
| File extension FC13 | FutureComposer Audio |
| File extension FC14 | FutureComposer Audio |
| File extension FC2 | Poser Face Pose Format |
| File extension FC2MAP | Far Cry 2 User Map Format |
| File extension FCA | Omnis Web Client |
| File extension FCB | FAAST Builder |
| File extension FCC | SiteMinder Forms Credential Collector Format |
| File extension FCD | Virtual CD Backup Image Format |
| File extension FCDT | Adobe FormsCentral Form Template Format |
| File extension FCE | EDraw Max Format Format |
| File extension FCF | Final Draft Document Format |
| File extension FCG | FastCGI Script |
| File extension FCGI | FastCGI Script Format |
| File extension FCHC | Fetch Cache |
| File extension FCHK | Gaussian Checkpoint |
| File extension FCHP | Fetch Preference |
| File extension FCL | FidoCAD Library Format |
| File extension FCM | FCraft World Format |
| File extension FCOD | Adobe PageMaker Filter |
| File extension FCP | Final Cut Pro Project Format |
| File extension FCPA | Officer Cost Report Data |
| File extension FCPR | Officer Cost Report Data |
| File extension FCPROJECT | Final Cut Pro X Project Format |
| File extension FCR | Cost Report Data |
| File extension FCS | First Choice Spreadsheet |
| File extension FCSTD | FreeCAD Drawing Format |
| File extension FCT | FolderClone Task List Format |
| File extension FCW | FastCAD CAD Format |
| File extension FCXE | FileCapsule Deluxe Encoded |
| File extension FCXR | FileCapsule Deluxe |
| File extension FCXU | FileCapsule Deluxe |
| File extension FCZ | Poser Compressed Face Pose Format |
| File extension FD | DataFlex Field Offsets For Compiler |
| File extension FD1 | Windows Live Photo Gallery Thumbnail Database |
| File extension FD2 | Epson EasyPrint PictureMate Borders Format |
| File extension FDA | Warhammer 40,000 Audio Format |
| File extension FDB | Database Format |
| File extension FDC | Autodesk AutoCAD Field Catalogue Format |
| File extension FDD | Parallels Virtual Machine Floppy Disk Drive Image |
| File extension FDE | FLAMES Dataset Export |
| File extension FDF | Adobe Acrobat Portable Document Input Form |
| File extension FDI | Floppy Disk Image |
| File extension FDK | Fluentizer Fluent Dictionary |
| File extension FDL | Corel Paradox Secondary Index |
| File extension FDLANG4 | FeedDemon Language Resource |
| File extension FDM | Microsoft Exchange Server Form Message Format |
| File extension FDML | Forms Definition Markup Language |
| File extension FDOC | Microsoft XPS Document Settings |
| File extension FDP | FMOD Designer Project Format |
| File extension FDPART | Fresh Download Partial Downloaded |
| File extension FDR | Final Draft Document Format |
| File extension FDRP | Apple Mac OS Folder Alias |
| File extension FDRTEMPLATES | FDRTools Template |
| File extension FDS | FME Desktop Custom Format |
| File extension FDSEQ | XPS Document Related Data |
| File extension FDSRCH2 | FeedDemon Search Data |
| File extension FDT | Final Draft Script Attributes Format |
| File extension FDU | Natural Security |
| File extension FDW | FEBDOK Document |
| File extension FDX | Final Draft XML Document Format |
| File extension FDXSL4 | FeedDemon Newspaper Style |
| File extension FDXT | Final Draft 8 Template Format |
| File extension FEATURE | Microsoft Visual Studio SharePoint Feature Format |
| File extension FEB | Corel WordPerfect Figure Editor Button Bar |
| File extension FED | FORMIK Form Data |
| File extension FEED-MS | Microsoft Rss Feed Store |
| File extension FEEDBACK | Expression SketchFlow Feedback Format |
| File extension FEEDSDB-MS | Microsoft RSS Feeds Store |
| File extension FEM | FEFLOW FEM Problem |
| File extension FES | Fileless Occurrence Placeholder |
| File extension FET | Free Timetabling Software |
| File extension FEV | FMOD Audio Settings Format |
| File extension FEX | WebFOCUS FOCUS Web390 Procedure |
| File extension FEXT | Extensions Manager Preferences |
| File extension FEZ | FUND E-Z Backup Archive |
| File extension FF | Call Of Duty FastFile Format |
| File extension FF0 | RISC OS TIFF Bitmap Image |
| File extension FF2 | Hello Engines! |
| File extension FF6 | RISC OS Encapsulated PostScript |
| File extension FF9 | Acorn RISC OS Bitmap Image Sprite |
| File extension FFA | Find Fast Indexer Status Format |
| File extension FFD | FlashFiler Format |
| File extension FFDATA | ABBYY Eform |
| File extension FFF | Gravis Ultrasound PnP Bank Format |
| File extension FFIL | Mac OS X Data Fork Suitcase Format |
| File extension FFINDEX | FFmpegSource2 Media Index |
| File extension FFL | Find Fast Indexer Document List Format |
| File extension FFN | FIFA World Cup Game Data Fe Art |
| File extension FFO | Find Fast Indexer Document Properties Cache Format |
| File extension FFPRESET | FFmpeg Preset |
| File extension FFS | FME Desktop Feature Store Format |
| File extension FFS_BATCH | FreeFileSync Configuration |
| File extension FFS_DB | FreeFileSync Database |
| File extension FFS_GUI | FreeFileSync Configuration |
| File extension FFS_REAL | FreeFileSync Configuration |
| File extension FFT | Find Fast Indexer Format |
| File extension FFU | Windows Phone Full Flash Update |
| File extension FFWP | FormsForWeb Packet Format |
| File extension FFX | Find Fast Indexer Index Format |
| File extension FG | FaceGen Project Format |
| File extension FG3 | FX Graph Interactive Graph Format |
| File extension FGA | Folder Guard Attributes |
| File extension FGB | Valve SDK Source |
| File extension FGC | Greeting Card Factory Greeting Card |
| File extension FGD | Macromedia Director Graphic Format |
| File extension FGDB | Fontographer Mac |
| File extension FGF | Nav.Net NG Fusker Generator |
| File extension FGL | Fifth Generation Language (5GL) Source Code Format |
| File extension FGP | Folder Guard Passwords |
| File extension FGR | FRSGiftRegistry Database |
| File extension FGT | FreeGantt Skeleton |
| File extension FGZ | Formula Graphics Standalone Presentation Archive |
| File extension FH | Symantec Backup Exec Format |
| File extension FH10 | Adobe FreeHand 10 Drawing Format |
| File extension FH11 | Adobe FreeHand 11 Drawing Format |
| File extension FH12 | Adobe FreeHand Drawing |
| File extension FH2 | Adobe FreeHand Drawing |
| File extension FH3 | Adobe FreeHand Drawing |
| File extension FH4 | Adobe FreeHand Drawing |
| File extension FH40 | Adobe Freehand For Mac |
| File extension FH5 | Adobe FreeHand Drawing |
| File extension FH50 | Adobe Freehand Creator Code |
| File extension FH6 | Adobe FreeHand Drawing |
| File extension FH7 | Adobe FreeHand 7 Drawing Format |
| File extension FH8 | Adobe FreeHand 8 Drawing Format |
| File extension FH9 | Adobe FreeHand 9 Drawing Format |
| File extension FHA3 | Adobe Freehand For Mac |
| File extension FHC | Canute - FHC Data Format |
| File extension FHD | Adobe FreeHand Vector Drawing Format |
| File extension FHD3 | FreeHand |
| File extension FHF | Free Hide Folder Data Format |
| File extension FHM | ASIP Meister |
| File extension FHS | Adobe Flash Skin XML |
| File extension FHX | DeltaV Configuration |
| File extension FHZ | Adobe Robohelp ZIP Compressed Skin |
| File extension FI | Flash Image Image |
| File extension FIB | File Investigator |
| File extension FIC | WINDEV Hyper File Database |
| File extension FID | File Investigator Database Format |
| File extension FIDO | Kodak Cineon Image Format |
| File extension FIF | Fractal Image Format |
| File extension FIFF | Elekta Neuromag Data |
| File extension FIG | Xfig Drawing |
| File extension FIL | File List |
| File extension FILA | Aleph One Replay Format |
| File extension FILE | Generic Windows Format |
| File extension FILELOC | Apple Mac OS X Finder Internet Location |
| File extension FILEPART | WinSCP Temporary Download |
| File extension FILE_CRCS | Electronic Arts Origin Client |
| File extension FILM | Filmkey Player Media |
| File extension FILTERS | Microsoft Visual Studio VCX Project Filter Format |
| File extension FIM | Fractal Imaginator Data/Parameter |
| File extension FIMPP | FiM++ Source Code Format |
| File extension FIN | Corel WordPerfect Print Format Text |
| File extension FIO | Aldus PhotoStyler Graphics Filter |
| File extension FIR | FireOne Fireworks Show |
| File extension FIRE | FireStarter Project Format |
| File extension FIRST | Formatted Text |
| File extension FIS | Dynamite VSP Feature Interpretation Style |
| File extension FIT | Flexible Image Transport System Format |
| File extension FITS | Flexible Image Transport System Format |
| File extension FIV | File Investigator |
| File extension FIZ | FITS Graphics |
| File extension FJL | Rootkit.Win32.Agent.fjl Virus |
| File extension FJSW | Formulator Tarsia Jigsaw |
| File extension FJV | IGO Primo Map Related |
| File extension FKC | FBackup Catalog |
| File extension FKD | FotoKiss Photo Set Data |
| File extension FKT | KmPlot Data |
| File extension FKY | Visual FoxPro Macro Format |
| File extension FL | Adobe Flash Project Format |
| File extension FL3 | Flash 3D Format |
| File extension FLA | Editable Adobe Flash Movie Format |
| File extension FLAC | Audio Files Encoded By Flac - Free Lossless Audio Codec |
| File extension FLAM3 | Fractal Flames Format |
| File extension FLAME | Fractal Flames Format |
| File extension FLB | FileMaker Pro Label Format |
| File extension FLC | AutoDesk FLIC Format |
| File extension FLD | YSFLIGHT Field Format |
| File extension FLEXOLIBRARY | Final Cut Pro Library |
| File extension FLF | Microsoft Dynamics NAV License Format |
| File extension FLG | IsoPuzzle Flag Format |
| File extension FLH | FLIC Animation Format |
| File extension FLI | Autodesk Animator FLIC Animation Old Format |
| File extension FLIC | Autodesk Animator Animation |
| File extension FLIPCHART | ActivInspire Flipchart Format |
| File extension FLI_ | Autodesk Animator FLIC Animation Old Format |
| File extension FLK | Folder Lock Encrypted Format |
| File extension FLKA | Folder Lock Encrypted Portable Folder Format |
| File extension FLKB | Folder Lock Encrypted Folder Format |
| File extension FLKW | Folder Lock Encrypted |
| File extension FLL | Micrografx Designer Image Fill Pattern |
| File extension FLM | Adobe Premiere Filmstrip |
| File extension FLMOD | Freelancer Game Archive |
| File extension FLN | Flight Plan |
| File extension FLO | Micrografx FlowCharter Flowchart Format |
| File extension FLOW | Expression SketchFlow Data Format |
| File extension FLP | Floppy Disk Image |
| File extension FLR | Netscape Live3D Format |
| File extension FLS | Adobe Flash Lite Sound Bundle Format |
| File extension FLST | Adobe InDesign Format |
| File extension FLT | Autodesk Animator FLIC Format |
| File extension FLT3 | Adobe Filter |
| File extension FLUX | FluxTime Studio Clip |
| File extension FLV | Flash Video Format |
| File extension FLVAT | Downloaded Flash Video |
| File extension FLW | Freelance Flowchart |
| File extension FLWA | Folder Lock Wallet Format |
| File extension FLX | FelixCAD Drawing Format |
| File extension FLY | Digiflyer E-mail Document |
| File extension FLZ | MediaShow Data |
| File extension FM | FileMaker Pro Database Format |
| File extension FM1 | Lotus 1-2-3 Release 2.x Spreadsheet |
| File extension FM2 | FCEUX Movie |
| File extension FM3 | Lotus 1-2-3 Release 3.x Spreadsheet Format |
| File extension FM5 | FileMaker 5 Database Format |
| File extension FMAP | Family Atlas Pulbished Family Map |
| File extension FMB | WordPerfect For Win File Manager Button Bar |
| File extension FMC | NCAD |
| File extension FMCF | Adobe Type Manager Preferences |
| File extension FMD | Microsoft Access |
| File extension FMDB | BUILD-QUANT Object Database |
| File extension FME | FME Mapping Format |
| File extension FMELIC | FME License Format |
| File extension FMF | FaxMan Jr Fax |
| File extension FMI | FME Workbench Mapping Format |
| File extension FMJ | FaceMorpher Project |
| File extension FMK | FaxMaker |
| File extension FMK$ | FileMaker For Mac |
| File extension FMK4 | FileMaker For Mac |
| File extension FML | WWE RAW Character Format |
| File extension FMO | DBASE IV Compiled Format |
| File extension FMOD | Adobe Illustrator Flattening Module Format |
| File extension FMP | AutoCAD Font Map |
| File extension FMP12 | FileMaker Pro Database Format |
| File extension FMP3 | FileMaker Pro For Mac Document |
| File extension FMPLUGIN | FileMaker Pro Plug-in Format |
| File extension FMPP | FLAMES Model Prototype |
| File extension FMPR | FileMaker Pro Mac |
| File extension FMPSL | FileMaker Pro Database Snapshot Format |
| File extension FMR | BrainVoyager QX Project |
| File extension FMS | Lotus Freelance Graphics |
| File extension FMT | Database Format Format |
| File extension FMTR | FileMaker Transfer |
| File extension FMV | Bink Tools Full Motion Video Format |
| File extension FMW | FME Workspace Format |
| File extension FMX | FileMaker Pro Plug-in Format |
| File extension FMXLIST | FME Transformer List Format |
| File extension FMXT | FileMaker Pro Mac |
| File extension FMZ | Form-Z Project Format |
| File extension FN3 | Harvard Graphics 3.0 Font |
| File extension FNA | FASTA DNA And Protein Sequence Alignment |
| File extension FNBK | Food Network Recipe Manager Recipe Data Format |
| File extension FNC | Frogans Network Certificate |
| File extension FND | Microsoft Windows Explorer Saved Search Format |
| File extension FNDR | Xmap For Mac |
| File extension FNET | FileMaker Network |
| File extension FNF | Forte Notation |
| File extension FNI | FileNet IDM Viewer |
| File extension FNK | FunkTracker Module |
| File extension FNL | Microsoft Live Mesh |
| File extension FNLF | Novation Automap License Format |
| File extension FNM | Apache Lucene Field |
| File extension FNN | DOS Screen Text Font |
| File extension FNO | Atlast File Notes Organizer CSV Data |
| File extension FNR | Trojan-Dropper.Win32.Flystud.lc. |
| File extension FNRECIPES | Food Network Recipe Format |
| File extension FNS | Apple FontSyncScripting Font Profile |
| File extension FNSP | Apple FontSync Scripting |
| File extension FNT | Font Format |
| File extension FNTA | Marathon 2 Aleph One Font Format |
| File extension FNX | Fenix Key |
| File extension FO | XSL-FO Form Format |
| File extension FO1 | Borland Turbo C Font |
| File extension FO2 | Borland Turbo C Font |
| File extension FOB | Microsoft Dynamics NAV (Navision) Attain Object Format |
| File extension FOC | FOCUS Database |
| File extension FOD | EZ-Forms ULTRA |
| File extension FODG | OpenDocument Flat XML Drawing |
| File extension FODP | OpenDocument Flat XML Presentation Format |
| File extension FODS | OpenDocument Flat XML Spreadsheet Format |
| File extension FODT | OpenDocument Flat XML Document Format |
| File extension FOF | EZ-Forms Filled Out Form |
| File extension FOG4 | Fontographer 4 |
| File extension FOL | PFS First Choice Database Format |
| File extension FOLDER | Microsoft Windows Explorer Folder |
| File extension FOLX | Folx Download Format |
| File extension FOM | EZ-Forms Fill Out Master Form |
| File extension FOMOD | Fallout 3 Mod Format |
| File extension FON | Microsoft Windows Bitmap Font Format |
| File extension FONT | Font Data |
| File extension FOP | InfoZoom Protected Data Format |
| File extension FOR | Fortran Source Format |
| File extension FORM | Java Form |
| File extension FORTH | Forth Source Code |
| File extension FOS | Fallout 3 Saved Game Format |
| File extension FOT | Font Resource Format |
| File extension FOTA | Firmware Over-the-Air Format |
| File extension FOUNDFILES | MAC OS X |
| File extension FOUNTAIN | Fountain Syntax |
| File extension FOV | MORSE Field Of View |
| File extension FOX | FoxBase FoxPro Executable Format |
| File extension FP | Microsoft FoxPro Configuration Format |
| File extension FP2 | Insaniquarium Deluxe Fish |
| File extension FP3 | FileMaker Pro Database Format |
| File extension FP4 | FileMaker Pro Database Format |
| File extension FP5 | FileMaker Pro Database Format |
| File extension FP7 | FileMaker Pro Database Format |
| File extension FPA | Front Panel Designer Encrypted Order Format |
| File extension FPAGE | Microsoft XPS Document Page |
| File extension FPB | FLAMES Playback Recorder |
| File extension FPBF | Mac OS X Finder Burnable Backup Archive |
| File extension FPC | FoxPro Catalog |
| File extension FPD | MicroSim PCBoard External ASCII Footprint Definition Format |
| File extension FPE | FPS Creator Entity Format |
| File extension FPENC | FileProtect Encrypted Format |
| File extension FPF | IKEA Home Planner Format |
| File extension FPFV | File Protected From Virus |
| File extension FPG | DIV Games Studio Multi Map Image Format |
| File extension FPI | FPS Creator Intelligence Script Format |
| File extension FPID | FPS Creator AI Wizard Data Format |
| File extension FPIX | FlashPix Bitmap Image |
| File extension FPJ | FARSITE Project Format |
| File extension FPK | Civilization IV Game Archive |
| File extension FPKG | Apple Mac OS X Installer Package |
| File extension FPL | Flitskikker Language |
| File extension FPM | FPS Creator Map Format |
| File extension FPMB | FPS Creator Map Buffer Format |
| File extension FPMO | FPS Creator Map Overlay Format |
| File extension FPOP | Spider-Man: Shattered Dimensions Saved Game |
| File extension FPOS | Photo Pos Pro Image Format |
| File extension FPP | FPS Creator Prefab Format |
| File extension FPR | Fruitypro Samples Humanize Presets Grooves |
| File extension FPS | FPS Creator Project Format |
| File extension FPSL | FileMaker Pro Snapshot Link |
| File extension FPSX | Symbian Firmware Flash Format |
| File extension FPT | FileMaker Pro Database Memo Format |
| File extension FPW | FoxPro Configuration |
| File extension FPX | Kodak FlashPiX Bitmap Image |
| File extension FQC | FAQ Creator Format |
| File extension FQF | FlashFXP Queue |
| File extension FQY | FLAMES (FLARE) Command |
| File extension FR | French Language Translation |
| File extension FR3 | FastReport Form Format |
| File extension FR4 | Fractal Explorer Quaternion Spots In Internal Parametrical Format |
| File extension FRA | Adobe Framemaker |
| File extension FRAG | Microsoft XPS Document Fragment |
| File extension FRAM | Adobe Framemaker |
| File extension FRAME | Adobe FrameMaker Interchange Format |
| File extension FRAMES | The Iconfactory XScope Frame Format |
| File extension FRAMEWORK | Apple Mac OS X Application Framework Format |
| File extension FRC | Microsoft Flight Simulator FS Recorder Recorded Format |
| File extension FRD | Need For Speed Track Data |
| File extension FRE | FIFA 2002 Data Legal Screen |
| File extension FRED | FredEditor Sound |
| File extension FREECELLSAVE-MS | FreeCells Saved Game Format |
| File extension FREELIST | ArcGIS |
| File extension FRELF | Abbyy FineReader Engine License |
| File extension FREQ | SAM Frequency Model |
| File extension FRESHCONTACT | NAVIGON MobileNavigator Navigation |
| File extension FRF | FreeReports Template Format |
| File extension FRG | DBASE IV Uncompiled Report Format |
| File extension FRI | Firefox Bookmark Backup |
| File extension FRJ | FreeForm-J Project Format |
| File extension FRK | Apple Macintosh Resource Or Data Fork |
| File extension FRL | Formflow Electronic Form Loader |
| File extension FRM | MySQL Database Metadata Format |
| File extension FRM16 | Lionheart: Legacy Of The Crusader Game |
| File extension FRO | DBASE IV Compiled Report Format |
| File extension FRP | PerForm Or FormFlow Form |
| File extension FRQ | Bibexcel |
| File extension FRR | Mandelbrot Explorer Fractal Region Settings Format |
| File extension FRS | Corel WordPerfect Screen Font Resource Format |
| File extension FRT | Visual FoxPro Additional Report Description Format |
| File extension FRV | Microsoft FRx |
| File extension FRW | RollerCoaster Tycoon Fireworks Source |
| File extension FRX | Visual FoxPro Main Report Description Format |
| File extension FRY | Fryrender Export Format |
| File extension FRZ | Snes9x Saved State Format |
| File extension FS | Microsoft Visual F# Source Code Format |
| File extension FS2 | Descent FreeSpace 2 Game Format |
| File extension FS5 | Microsoft Flight Simulator Scenery |
| File extension FS6 | Microsoft Flight Simulator Panels |
| File extension FSA | FASTA DNA And Protein Sequence Alignment |
| File extension FSB | FMOD Audio Format |
| File extension FSC | FruityLoops Score Format |
| File extension FSD | COCO AmsterCHEM Flowsheet Document |
| File extension FSEVENTSD | MAC OS X |
| File extension FSEVENTSD-UUID | Fseventsd |
| File extension FSF | Microsoft Office Cache |
| File extension FSG | IBM Voice Type Languages Map Format |
| File extension FSH | Fragment Shader Format |
| File extension FSI | Microsoft Visual F# Signature Format |
| File extension FSIF | MyLabel Designer Deluxe Label Format |
| File extension FSK | FotoSketcher Parameter Preset |
| File extension FSL | Corel Paradox Compiled Form Format |
| File extension FSM | Farandole Composer WaveSample Music Format |
| File extension FSN | Greeting Card Factory Greeting Card |
| File extension FSO | Adobe Flash Media Server File System Object |
| File extension FSP | Fsplit Split |
| File extension FSPROJ | Microsoft Visual Studio Visual F# Project Format |
| File extension FSQ | CryENGINE Facial Editor Sequence Format |
| File extension FSR | File Substring Replacement Utility |
| File extension FSS | Micrografx Picture Publisher 8 Register Format |
| File extension FSSAVE | Flight Simulator Save Format |
| File extension FSSCRIPT | Microsoft Visual Studio F# Script Format |
| File extension FST | FL Studio Format |
| File extension FSTAB | File System Table |
| File extension FSX | Microsoft Visual Studio F# Script Format |
| File extension FSY | PhotoFantasy Image Picture |
| File extension FSZ | Fractal Zplot Data/parameter |
| File extension FT | Lotus Notes Full Test Index |
| File extension FT10 | Adobe FreeHand 10 Template Format |
| File extension FT11 | Adobe FreeHand 11 Template Format |
| File extension FT30 | Adobe PageMaker For Mac Filter |
| File extension FT7 | Adobe Freehand 7 Template Format |
| File extension FT8 | Adobe FreeHand 8 Template Format |
| File extension FT9 | Adobe FreeHand 9 Template Format |
| File extension FTB | Family Tree Maker Genealogy |
| File extension FTC | FluxTime Clip Format |
| File extension FTCH | Extensis Portfolio Image Database |
| File extension FTD | FFT Designer Project |
| File extension FTF | Sony Ericsson Xperia Android Firmware |
| File extension FTG | Microsoft Windows Help Format |
| File extension FTH | FileMaker Pro Theme Format |
| File extension FTIL | E-Hastakshar Contract Note Format |
| File extension FTK | Forensic Toolkit |
| File extension FTL | FreeMarker Template Format |
| File extension FTM | Micrografx Font Format |
| File extension FTMB | Family Tree Maker Backup |
| File extension FTMT | Family Tree Maker Chart Template |
| File extension FTMX | Finale Score Template |
| File extension FTN | Fortran Language Source Code Format |
| File extension FTP | FTP Configuration |
| File extension FTPL | Simfatic Forms Template |
| File extension FTPLOC | Apple Mac OS X Finder FTP Location Format |
| File extension FTPQUOTA | Ftpquota Format |
| File extension FTR | IRIX |
| File extension FTS | Flexible Image Transport System Format |
| File extension FTV | CA CleverPath Forest & Trees |
| File extension FTW | Family Tree Maker Format |
| File extension FUD | FairUse Wizard Data |
| File extension FUJ | Worm.Win32.AutoRun.fuj Virus |
| File extension FUK | Postal 2 Map |
| File extension FUL | Microsoft Backup File List |
| File extension FULL | Cygwin Variable Log |
| File extension FUN | Koolmoves |
| File extension FUS | GURU Uninstall Script |
| File extension FUSE_HIDDEN | Samba |
| File extension FV | Fresh View Thumbnail Cache |
| File extension FVE | Windows BitLocker Full Volume Encryption |
| File extension FVP | FLUENT Path Line |
| File extension FVU | File Validation Utility Input |
| File extension FW | Firmware Update Format |
| File extension FW2 | FrameWork Database |
| File extension FW3 | FrameWork III Database |
| File extension FW4 | Framework IV |
| File extension FWB | FileWrangler Data Backup |
| File extension FWD | Imail Server Forwarded Mail |
| File extension FWDN | FWriter Document |
| File extension FWEB | Fortran WEB |
| File extension FWF | Bentley InRoads Survey Feature Table |
| File extension FWL | FileWrangler EXE Library |
| File extension FWP | Frontpage Web Packages |
| File extension FWS | FileWrangler Data File For File Splitting Configuration |
| File extension FWT | FacetWin Configuration Format |
| File extension FWX | FoxWeb Script |
| File extension FX | DirectX D3DXEffect Object Format |
| File extension FX2 | Corel WordPerfect Office Template |
| File extension FX3 | Fugawi Map |
| File extension FX4 | Fugawi GPS Map |
| File extension FXA | OC3 FaceFX Actor Format |
| File extension FXB | Steinberg VST Audio Plug-in Format |
| File extension FXC | DIMDATA FilePackager Configuration Format |
| File extension FXCB | Crysis Shader Cache |
| File extension FXCPROJ | NVidia FX Composer Project Format |
| File extension FXD | FoxPro FoxDoc Support |
| File extension FXF | IBM BigFix Action Format |
| File extension FXG | Adobe Flash XML Graphics Format |
| File extension FXH | MetaTrader 4 Backup |
| File extension FXI | File-Ex Data |
| File extension FXL | FaceFX Batch Format |
| File extension FXM | Fuxoft AY Music Chip Language Format |
| File extension FXML | Oracle FXML Language Source Code |
| File extension FXO | WinFax Image Format |
| File extension FXP | Visual FoxPro Compiled Database Format |
| File extension FXPL | Adobe Flash Catalyst FXP Library Format |
| File extension FXR | Oracle Font Cross-reference |
| File extension FXS | WinFax Transmit Format Graphics Format |
| File extension FXT | Finale Plug-in Format |
| File extension FXTC | Adobe After Effects Project |
| File extension FXW | ESignal |
| File extension FXY | Fortron Embroidery Format |
| File extension FYC | ESignal |
| File extension FYI | FLOWCAL Desktop |
| File extension FZ | Fritzing Project Format |
| File extension FZA | Form-Z Autosave Format |
| File extension FZB | Casio FZ-1 Bank Dump |
| File extension FZD | AIRLINE City Data |
| File extension FZF | Casio FZ-1 Full Dump |
| File extension FZIP | Foxit Reader Add-on Format |
| File extension FZP | Fritzing Part Format |
| File extension FZV | Casio FZ-1 Voice Dump Format |
| File extension FZY | LexisNexis Concordance Fuzzy |
| File extension FZZ | Fritzing Data Format |
File extensions in alphabetical order: F
The list of file extensions, sorted alphabetically, beginning with the letter F