| fha3 | Adobe FreeHand for Mac Data |
| fhb | ForeHelp Backup File |
| fhc | Canute FHC Data FIle |
| fhd | MODFLOW Model Head Data |
| fhd3 | Adobe FreeHand 3 for Mac Data |
| fhf | Free Hide Folder Backup |
| fhi | ABINIT FHI Data |
| fhlp | Fetch Help Data |
| fhq | Family Historian Query |
| fhr | Family Historian Data |
| fht | Family Historian Text Scheme Data |
| fhx | DeltaV Database File |
| fh_proj | Family Historian Project |
| fia | FIA Input Data |
| fib | File Investigator Internal Database |
| fid | File Investigator Internal Database |
| fidx | Fiasco Database Index Data |
| fiff | Elekta Neuromag FIFF Data |
| fig | SNES ROM Image FIG |
| fig | SWAT Watershed Configuration Data |
| fih | File Investigator Internal Database |
| fik | MATLAB File Installation Key |
| fil | ACL for Windows Data |
| fil | Cardbox Database |
| filebolt | Filebolt Encrypted Data |
| fileloc | Mac OS X Finder Internet Location Data |
| filepart | WinSCP Temporary Data |
| file_crcs | Electronic Arts Origin Client CRC Data |
| fill | CorelDRAW Vector Fill Pattern Data |
| filp | eXtendable Wad Editor FILP Data |
| fim | Fest3D Waveguide Modes Data |
| fingnet | Fing Saved Network Data |
| fins | Autodesk Inventor Stress Analysis FINS Data |
| fio | Aldus PhotoStyler Graphics Filter |
| fip | File Investigator Internal Database |
