| fmc | MotionArtist Animated Clip |
| fmd | FARSITE Custom Fuel Model |
| fmdb | Build-Quant Object Database |
| fmdb | Ensoft Formulator Object Database |
| fme | FME Desktop Mapping Data |
| fmedb | Foto-Mosaik-Edda Mosaic Database |
| fmelic | FME License |
| fmf | FME Desktop Metafile |
| fmh | Family Medical History HD Data |
| fmi | FME Include File |
| fmk4 | FileMaker Pro for Mac Data |
| fml | OFML Scene Data |
| fml | Oracle Mirror List Data |
| fmm | FreeMind MindMap |
| fmod | Adobe Illustrator Flattening Module |
| fmp | Autodesk AutoCAD Font Map Data |
| fmp | FileMaker Pro Data |
| fmp | FLAMES Model Prototype |
| fmp | Fractal Mapper Map |
| 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 |
| fms | FantaMorph Skin Data |
| fms | FARSITE Moisture Data |
| fms | FMS32 Protocol Data |
| fmsh | Autodesk Inventor Mesh Data |
| fmt | Cardbox Format Data |
