| .flk |
AccountEdge Company Lock File |
| .fos |
Fallout 3 Saved Game |
| .ffx |
After Effects Preset File |
| .flipchart |
ActivInspire Flipchart File |
| .fh |
Symantec Backup Exec File |
| .fry |
fryrender Scene File |
| .familyfile |
Reunion Family File |
| .fb! |
FlashGet Incomplete Download File |
| .fot |
Font Resource File |
| .fdt |
Final Draft 5-7 Template |
| .fpos |
Photo Pos Pro Image |
| .fnrecipes |
Food Network Recipe File |
| .fit |
Garmin Activity File |
| .fr3 |
FastReport Form File |
| .fp3 |
FastReport Prepared Report File |
| .fwp |
Microsoft Expression Web Package |
| .flka |
Folder Lock Portable Locker File |
| .flkb |
Folder Lock Basic Locker File |
| .flwa |
Folder Lock Wallet File |
| .fan |
Form•Z Animation File |
| .fzp |
Fritzing Part File |
| .fxm |
messiahStudio Motion File |
| .fff |
Hasselblad RAW Image |
| .fcm |
fCraft World File |