| .form |
NetBeans Java GUI Designer Form |
| .folio |
Adobe Folio File |
| .fcpxml |
Final Cut Pro XML File |
| .fsd |
Flowsheet Document |
| .flw |
Fusion Flow File |
| .ftp |
FlashFXP XML File |
| .ffd |
ffDiaporama Project File |
| .frr |
Mandelbrot Explorer Fractal Region Settings File |
| .filters |
Visual C++ Project Filters File |
| .fzb |
Casio FZ-1 Bank Dump |
| .flam3 |
Fractal Flames File |
| .feature |
SharePoint Feature File |
| .f4m |
Adobe Flash Media Manifest File |
| .flash |
Frictional Games Flashback File |
| .fzm |
Fritzing Module File |
| .grf |
Ragnarok Client Archive |
| .groupproj |
Delphi Project Group File |
| .gsd |
General Station Description File |
| .grv |
Office Groove File |
| .graphml |
GraphML File |
| .gnumeric |
Gnumeric Spreadsheet |
| .gnm |
Gnumeric Spreadsheet |
| .gpscan |
GrandPerspective Scan File |
| .gdg |
GDevelop Project File |