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