| fmmus | FlexiMusic Producer Data |
| fmod | Adobe Illustrator Flattening Module |
| fmorc | FlexiMusic Orchestra Data |
| fmp | Autodesk AutoCAD Font Map Data |
| FileMaker Pro Data |
| FLAMES Model Prototype |
| Fractal Mapper Map |
| Profit Plan Financial Master Plan Index |
| fmp12 | FileMaker Pro 12 Database |
| fmp3 | FileMaker Pro for Mac Database |
| fmpp | FLAMES Model Prototype Data |
| fmpr | FileMaker Pro for Mac Data |
| fmpsl | FileMaker Pro 12 Snapshot Link |
| fmpur | FileMaker Pro Runtime Solution |
| fmr | Pro/ENGINEER FMR Data |
| fms | FantaMorph Skin Data |
| FARSITE Moisture Data |
| FMS32 Protocol Data |
| fmsh | Autodesk Inventor Mesh Data |
| fmt | Cardbox Format Data |
| ENVI Tape Script |
| GAUSS Engine Matrix Data |
| LinkOne Format Data |
| Pro/ENGINEER Report Table Format Data |
| Sandisk Sansa Format Data |
| fmtr | FileMaker Pro Transfer Data |
| fmu | Functional Mock-up Unit Data |
| fmv | Adobe FrameMaker Picture Data |
| FME Desktop Viewspace Data |
| fmw | FME Workbench |
| fmwt | FME Desktop Workbench Template |
| fmx | FME Desktop Custom Transformers Data |
| fmxlist | FME Desktop User-defined Transformer List |
| fmzip | FlexiMusic Zipper Data |
| fn | STK Facility Networks File |
| fna | FASTA Sequence |
| fnbk | Food Network Recipe Manager Data |
| fnc | Frogans Player Network Certificate |
| Vue Functions Data |
| fnd | Informida Secure Information Database |
| fnet | FileMaker Pro Network Data |
| fng | Font Navigator Group Data |
| fni | FileNet Native Image |
| fnl | EES File Names List |
| Transformation Extender Master Workfile |
| Windows Live Mesh FNL Data |
| fnm | Lucene Field Name Data |
| SOBEK Filenames Data |
| fno | Atlast! File Notes Organizer CSV Data |
| Folio Infobase Data |
| fnrecipes | Food Network Recipe Manager Data |
| fnsp | Apple FontSync Script |
| fnw | FLARENET Model Data |
| fnx | Fenix Key Data |
| fo | 602XML Form Filler Data |
| fob | Microsoft Dynamics NAV Object Container |
| foc | FOCUS Database |
| fod | EZ-Forms Form Relationship Data |
| fof | EZ-Forms Filled Out Form |
| fog4 | Fontographer v4 Data |
| fol | PFS First Choice Database |
| Windows Mail Folder Data |
| folder | Windows Explorer Folder Data |
| foli | Foliaro Data |
| folx | Folx Download Data |
| fom | EZ-Forms Fill Out Master Form |
| fon | COREX Manual Broad Phonetic Transcription Data |
| foo | Foobar2000 Audio Database |
| fop | InfoZoom Protected Data |
| form | NetBeans Java GUI Designer Form |
| PreForm Job Data |
| fot | InfoZoom Template |
| fou | CRYSTALS Difference Fourier Data |
| SpiceCAD Lowpass Data |
| four | CRYSTALS Difference Fourier Data |
| fov | MORSE FOV Data |
| fow | Family Origins Database |
| fox | InfoZoom Table |
| fp | CDE Front Panel Data |
| CRiSP Harvest Fishery Policy Data |
