.??_ Files ending in "_" are often compressed install
files of the same
name (e.g., .EX_ expands to .EXE, .DL_
expands to .DLL, etc.)
.F Compressed Archive File (UNIX)
FORTRAN Program
Newing-Hall Computer Engraving Software Graphic
.F&F Netmino File (SW under development Oct 2002)
.F00 Kanji Font
.F01 Perfect Fax Document
.F06 DOS 6 Pixel Screen Font
.F07 DOS 7 Pixel Screen Font
.F08 DOS 8 Pixel Screen Font
.F09 DOS 9 pixel Screen Font
.F10 DOS 10 Pixel Screen Font
.F11 DOS 11 Pixel Screen Font
.F12 DOS 12 Pixel Screen Font
.F13 DOS 13 Pixel Screen Font
.F14 DOS 14 Pixel Screen Font
.F15 DOS 15 Pixel Screen Font
.F16 DOS 16 Pixel Screen Font
.F2 FLASH BIOS File
.F2F File to File (encryption)
.F2R Farandoyle Linear Module Format
.F3 FLASH BIOS File
.F3R Farandoyle Blocked Module Format
.F32 Raw 32-bit IEEE Floating Point Values
.F33 ANSYS Plot (simulates multiphysical interactions)
.F64 Raw 64-bit IEEE Floating Point Values
.F77 FORTRAN 77 Program
.F90 FORTRAN Program
.F96 Frecom FAX96 Document
.FA EROSION 3D Flow Accumulation [Format (pdf)]
.FA1 DATAIR FAS 87/132 Reporter Data File
.FA2 DATAIR FAS 87/132 Reporter Custom text File
.FAC Usenix FaceServer Graphic [XnView]
.FACE Usenix FaceServer Graphic [XnView]
.FAM Maxis File (unverified)
The Sims Family File
FamicomS Nintendo Entertainment System Emulator
ROM Image
.FAQ Frequently Asked Questions
.FAQT FAQTool XML Contents File
.FAR Farandoyle Tracker Music Module
The Sims (Maxis) Archive File [Dragon UnPACKer]
.FAS 3D Fassade Plus Basic Module
AutoCAD Fast-load Auto LISP File
.FAV Microsoft Outlook Bar Shortcuts  [Buy Office
XP at Shop.Microsoft]
Technics Sx KN 6000 Keyboard Favorites File
.FAX Fax File (various - often TIFF format) [XnView]
.FB5 FlowBiz Integrator File (Procedure documentation)
.FBC FamilyTree Compressed Backup File
.FBD F-22 Lightning Advanced Gravis Joystick Control File
Remedy Change Management Flashboard
DART Pro 98 User-definied Complex Restoration Filters
The Quarterback Pro Coverage Worksheet
Honeywell Control Builder File (UMC800 Controllers)
.FBK Navison Financials Backup
FamilyTree Backup File
.FBM Fuzzy Bitmap [XnView]
.FBN ArcView Spatial Index File For Read-Only Datasets
.FBS File Burner Skin
.FBX 3D Data Exchange Format
ArcView Spatial Index File For Read-Only Datasets
.FC Harvard Dictionary (Harvard Graphics taken over by Serif)
.FC2 Curious Labs Poser Face File
.FCB Forest Cover Attribute Processing File
FAAST Builder File
.FCD Virtual CD-ROM
FastCAD/EasyCAD Output
Patton & Patton Flow Charting 3 File
IsoBuster File
.FCF SHELXL93 File (created by LIST 4 command)
[contains: h,k,l,Fc^2,Fo^2,sigma(Fo^2)]
Altera MAX+PLUS II File
HP-95LX Filer Configuration File
.FCG Mystic Photo Format
FastCGI Script
.FCGI FastCGI Script
.FCI EROSION 3D Inflow Table [Format (pdf)]
.FCM Forward Compression Binary File Patch
Fluke Networks CableManager File
.FCP FLAMES Checkpoint Restart File
.FCS Flow Cytometry Standard Format
Fantasy Football League Organizer File
RealProducer Pro Settings
c-tree Server/Plus Data File
Canon Zoom Browser EX File
CD Trustee File
Spectrum Server Log File
.FCT Foxpro Catalog
Campaign Cartographer 2 File
.FCW Campaign Cartographer 2 File
FastCAD File [Viewer]
.FD FORTRAN Declarations [FORTRAN]
Dataflex Field Compiler Offsets
.FDB Navison Financials Database
Legacy Family Tree Database
Art Explosion Portfolio Catalog File
.FDE Fade-It for AOL (text fading utility)
.FDF Adobe Acrobat Forms Document
Format Definition File (used by PC connectivity
packages uploading to midrange systems)
.FDI Amiga Disk File (using WinUAE 0.8.17 emulation
software) (see ADF) [Amiga Forever]
.FDL XYRO Active Distribution Console File Distribution List
.FDM Floppy Disk Manager File [Software?]
.FDR Final Draft Document File
Embroidery Design File [possibly read with
Melco Sizer Software]
.FDS JetForm FormFlow Data File (in \FORMS folder)
.FDW F3 Design and Mapping Document Form
.FDX Force Index
.FEB WordPerfect Figure Editor Button Bar
.FEC U.S. Federal Campaign Expense Submission File [Also FILPAC]
Ferite Programming Language File
(http://www.ferite.org is listed but non working)
.FEG Art Explosion Greeting Card Factory File (unverified)
.FEM CADRE Finite Element Mesh File
.FEP Microsoft WEFT Embedding Project
.FEX Focus File
.FF AGFA CompuGraphics Outline Font Description
Sigmac Source File
.FF2 Flash Filer (file format for ver 2.x)
.FFA Microsoft Fast Find File
.FFD Flash Filer (file format for to ver 1.57)
.FFF GUS PnP Bank
defFax Fax Document
Maggi Hairstyles & Cosmetics [XnView]
.FFL Microsoft Fast Find File
PrintMaster Gold Image File
Alien vs Predator Archive [Dragon UnPACKer]
.FFO Microsoft Fast Find File
.FFT DCA/FFT Final Form Text
Microsoft Fast Find File
.FFX Microsoft Fast Find File
.FGA Folder Guard Attributes
.FGD Folder Guard Data
Half-life Modification Map Configuration File
(also see .BSP)
Digital Raster Graphic Metadata File
.FGP Folder Guard Passwords File
.FH3 Aldus Freehand 3 Drawing
.FH4 Aldus Freehand 4 Drawing
.FH5 Freehand 5
.FH6 Freehand 6
.FH7 Freehand 7
.FH8 Macromedia Freehand 8
.FH9 Macromedia Freehand 9
.FH10 Macromedia Freehand 10 [Tech note]
.FHC Macromedia Freehand
.FHIS Insight II Dynamics Trajectory History File
.FI FORTRAN Interface File [FORTRAN]
Flash Image [XnView]
.FIC Windev Database System
.FID Bruker Aspect NMR Data File
.FIF Fractal Image Format
FIF (Iterated System) [XnView]
SpinRite Hard Disk Fingerprint File
.FIG REND386/AVRIL Graphic
Super Nintendo Game-console ROM Image
[See ZNES or SNES9x]
XFIG Graphic File (vector graphics)
.FIL dBase Files List Object
WordPerfect Overlay
Application Generator File Template
ACL For Windows Data File (data mining software)
Cardbox Database
File List (various)
.FIM Construsyc/Instasyc File
.FIN WordPerfect Print Format Text
Perfect Writer Print Formatted Text
ATI Radeon Video Driver File
.FIO ULead Viewer Support File
.FIP FingerPost Information Processor File
(REMOTE.FIP is parameter file)
.FIRE FireStarter Project File
.FISH 3d Fish Tank Saved Fish
.FISHES 3d Fish Tank Saved Fishes
.FISHTANK 3d Fish Tank Saved Fishtank
.FIT FITS Graphic (Flexible Image Transport System)
[XnView]
Microsoft Windows NT File Index Table
.FITS FITS Graphic (Flexible Image Transport System)
[XnView]
.FIX Generic Patch File
.FKY Foxpro Macro
.FLA Macromedia Flash Movie Authoring File
.FLASK FlasKMPEG Language Definition File
(ASCII text file)
.FLB Papyrus Format Library
VersaPro Folder Backup
MicroSim PCBoard Footprint Library File
.FLC AutoDesk FLIC Animated Picture [XnView]
FLIC Video (may be same as above)
.FLD Charisma Folder
Hijaak Thumbnail Folder
WinFlash Educator Flashcard Options/Statistics File
VersaPro Folder Contents
3D Fassade Plus Field Define Module File
.FLEX Flexi Data Smoothing (Contact for program)
.FLF Corel Paradox Form
OS/2 Driver File
Navison Financials License File
Firehand Lightning Graphic Collection
.FLG MicroSim PCBoard Log Of Forward Engineering
Change Orders Applied To The Layout
.FLH FLIC Animation (DTA)
.FLI Autodesk FLIC Animation [XnView]
EmTeX Font Library
.FLL Foxpro Library
The Sims Floor File
.FLM AutoCAD Film
Medi@Show File
"RealPixel" Animation File (various)
.FLO MicroGrafx FlowCharter File
.FLOOR Structural Concrete Software Floor Data File
.FLP Fruityloops Saved File
Floppy Disk Image File (use FDIMAGE.EXE to
place on a diskette)
Family Lawyer Saved Document
.FLR Live3D File
The Sims (Maxis) Floor Texture File
.FLS Farrukh Imposition Purlisher Filelist Document
WinFlash Educator Flashcard Source File
ArcView Windows Help Supporting File
.FLT Corel Graphic Filter
StarTrekker Music Module
MulitGen Open Flight File
WinFlash Educator Flashcard Compiled Test File
OS/2 Warp Filter Device Driver
Asymetrix Graphics Filter Support File
Micrografx Picture Publisher Filter
FLIC Animation (DTA)
Microsoft Graphics Filter
FileMaker Filter
CoolEdit Pro Filter [PAF filter]
.FLX FLIC Animation (Tempra Pro, Mathematica,
U-Lead, 3DStudio MAX)
Dataflex Ordered Binder
DataFlex Compiled Binary File
.FLZ Medi@Show Data File
WinFlash Educator Flashcard Compiled Study File
.FM Adobe FrameMaker Document
FileMaker Pro Spreadsheet
.FM1 Lotus Spreadsheet File
.FM3 Harvard Device Driver (Harvard Graphics
taken over by Serif)
1-2-3 Format File
FileMaker 3 Database Document
.FMB WordPerfect File Manager Button Bar
Oracle Binary Form Source Code
.FMC NCAD File (woodworking CAD program)
Embroidery Design File [possibly read
with Melco Sizer Software]
.FMD Open Access File
.FMF IBM LinkWay Font or Icon
.FMG FreeMarkets® Graphics Browser (ActiveX Viewer)
.FMGEN FlexiMusic Generator
.FMK PowerStation FORTRAN Make File [FORTRAN]
.FML GetRight File Mirror List
Oracle Mirror List
.FMMUS FlexiMusic Producer
.FMO dBase Ordered Format
.FMORC FlexiMusic Orchestra
.FMP FileMaker Pro Document
AutoCAD Font Map File
.FMS Lotus 1-2-3 Impress Add-in (associated with
.WK1 or .WK3 file)
.FMT Format File
Style Sheet
Oracle Text Form Format
dBASE IV Format File
Microsoft Schedule+ Print File
Microsoft Visual FoxPro Csreen Format File
Cardbox Format File (database program)
Ox Object-Oriented Matrix Programming
Language Gauss Matrix File
.FMV Frame Vector Metafile
.FMX Oracle Executable Form
.FMZ Form*Z Project File
.FMZIP FlexiMusic Zipper
.FN3 Harvard Graphics Font (Harvard Graphics
taken over by Serif)
Denso BHT-7000 Terminal Executable Program File
.FND Microsoft Explorer Saved Search
.FNG Font Navigator Group File
.FNK FunkTracker Module
.FNO Folio Infobase [May be mistype of .NFO]
.FNP FlashNpack (convert Flash Movies)
[product in beta as of Feb 2002]
.FNT Font File (Windows 3.1)
.FNX Exact Inactive Font
.FO1 Borland Turbo C Font
.FO2 Borland Turbo C Font
.FOB Navision Attain Object File
.FOC FOCUS/WebFOCUS Database File
.FOG Fontographer Font
Computer Generated Forces for Action Fog Defaults
.FOL 1st Reader Saved Message Folder
.FOLDER Mail Folder
.FON Font File
Telix Dialing Directory
Procomm Plus Call Log
.FOO Kai's SuperGoo Fusion
.FOR FORTRAN Source [FORTRAN]
WindowBase Form
.FOT Installed TrueType Font
.FOUR VAX CRYSTALS Chemical Crystallogaphy File
.FOW Family Origins File (Genealogy)
.FOX FoxBase File
.FP FileMaker Pro File
FoxPro Configuration Info
GoldMine Business Contact Manager Report
CRiSP Harvest File
.FP1 Flying Pigs for Windows Data
.FP3 FileMaker Pro File
Imsi FloorPlan 3D
.FP5 FileMaker Database Design Report Template
.FPA Franklin Potter Associates Business Invoice Designer
.FPB FLAMES Playback File
.FPC FoxPro Catalog File
.FPD MicroSim PCBoard External ASCII Footprint
Definition File (used for import and export)
.FPF Canadian Flight Wizard (flight planning software)
.FPG DIV Game Studio Multi Map [XnView]
.FPHTML Microsoft FrontPage HTML Document
.FPIX FlashPix Bitmap [IrfanView]
.FPK JetForm FormFlow File (JetForm now Accelio)
.FPR FLAMES Prototype File
MicroSim PCBoard Footprint Statistics Report
.FPS Operation Flashpoint Game File
.FPT FileMaker Pro File
FoxPro Memo Fields
.FPW FloorPlan Plus Floorplan Drawing
.FPWEB Microsoft FrontPage Disk Based Web
.FPX FlashPix Bitmap [IrfanView]
.FQF FlashFXP Queue File
.FQY FLAMES (FLARE) Command File
.FR3 dBase IV Renamed dBaseIII+ Form
.FRA FrameViewer File
.FRC FLAMES RECORD Output File / FLARE Input File
.FRE Creative Digital Blaster Digital VCR File
Male Normal CT [XnView]
.FRF FontMonger Font
.FRG dBase IV Uncompiled Report
.FRL FormFlow File
.FRM Form File
FrameMaker Document
FrameBuilder Document
Oracle Executable Form
Visual Basic Form
dBASE IV Report File (and others)
WordPerfect Merge Form
DataCAD Symbol Report File
Megalux Frame [XnView]
MYOB Form File
Insight II Free-Format Files
.FRO dBase IV Compiled Report
FormFlow File (and possibly other form programs)
.FRP PerForm Pro Plus Form
FaxRush Packages (listing of fax files - now .ZPK)
.FRS WordPerfect Graphics Driver
.FRT FoxPro Report File
.FRX Visual Basic Binary Form File
FoxPro Report File
.FRZ FormFlow File
.FS NetBSD File (usually BOOT.FS)
PDT Feature Structure File
FormSaver File
FlexiSIGN File
.FSC Campaign Cartographer 2 File
FLAMES Scenario File
Worms Armageddon Fiddler File
.FSF Convert It! Factor File
fPrint Audit Tool File
.FSH EA Sports Game Graphic Editor File
.FSI FileSplit
.FSL Borland's Paradox 7 Forms
Corel Paradox Saved Form
.FSM Farandoyle Sample Format
.FSR File Substring Replacement Utility
.FSS Iomega Backup File Selection Set
.FST FastStats Analyzer File
dbFast Linkable Program
FruityLoops Channel State File (replaced .404 in ver 2.5.0)
.FSX Lotus 1-2-3 Data
FormSaver Fields
.FSY PhotoFantasy Image [XnView]
FileSync (file/folder synchronisation utility)
.FT Lotus Notes Full Text Index
.FT7 Macromedia Freehand Drawing
.FT8 Macromedia Freehand Drawing
.FT9 Macromedia Freehand Drawing
.FTB Roots3 Index File
.FTG Windows Help Full-text Search Group File
ArcView UNIX Help Supporting File
.FTM Family File
MicroGrafx Font
.FTP FTP Configuration Information
.FTS Windows Help Full-Text Search Index File
Flexible Image Transport System [XnView]
ArcView UNIX Help Supporting File
Borland BDE File
.FTV Forest & Trees File
.FTW Family File
FontTwister File (text effect generator)
.FU F* You Software Key Generator (Software
protection breaker)
.FUL Full Foram Count File
.FUN Koolmoves File (Flash tool)
.FUZZY Fuzzy Logic File
.FVF Fluke View
.FVML formVista (web application development
environment) - Product in alpha Jul 2002
.FVPL Frozen Vertex Pair List File
.FVS Forest Vegetation Simulator Tree Data File
.FVT Interlock Public Computer Utility
.FW Framework Database
.FW2 Framework II File
.FW3 Framework III File
.FW4 Framework IV File
.FWB FileWrangler Data File Backup
.FWL FileWrangler EXE Library
.FWP Worms Armageddon Fiddler Weapons Module
.FWS FileWrangler Data File for File Splitting Configuration
.FX FastLynx On-Line Guide
WordPerfect Office Calendar File (CALENDAR.FX)
WordPerfect Office Calendar Alarm File (CCALARM.FX)
.FX2 WordPerfect Office Calendar File (CALENDAR.FX2)
WordPerfect Office Calendar Alarm File (CCALARM.FX2)
.FXD WinFax Sent Document (TIFF format)
FAXit Phonebook
.FXI File-Ex File
.FXM WinFax & WinFax MiniViewer Fax
BigFix
.FXO Fax Image Document [Open with Quick view Plus]
.FXP FoxPro Compiled Source
.FXR WinFax Received Document (TIFF format)
.FXS WinFax Fax Transmit Graphic
The Land Of UM
.FXT Finale Music Notation Software Plug-in
.FY Fontasy Publisher (early DOS font program)
.FYI Flow-Cal File (natural gas operations)
Fontasy Publisher (early DOS font program)
.FZB Casio FZ-1 Bank Dump
.FZF Casio FZ-1 Full Dump
FontZip Font Packer
.FZV Casio FZ-1 Voice Dump
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