| ffpreset | FFmpeg Presets Data |
| ffs_batch | FreeFileSync Batch Configuration |
| ffs_gui | FreeFileSync Configuration Data |
| ffs_real | FreeFileSync RealTimeSync Configuration |
| fiv | CruiseComp Forest Inventory Settings |
| fld | Microsoft SharePoint Federated Location Definition |
| flst | Adobe InDesign Flattener Settings |
| flx | The Bat! Folder Settings |
| fni | ALCUGS Settings |
| fnp | IBM FileNet IDM Desktop Configuration File |
| fpw | Microsoft Visual FoxPro Configuration |
| frc | Mandelbrot Explorer Color Settings |
| frr | Mandelbrot Explorer Fractal Region Settings |
| fsi | FSI Viewer Configuration |
| fsk | FotoSketcher Parameter Preset |
| fstab | Linux Filesystems Information Table |
| ftp | General FTP Profile Data |
| ftpc | EBooksWriter FTP Settings |
| fwk | FacetWin User Keyboard Mapping |
| fws | Check Point NG Firewall Settings |
| fwt | FacetWin Configuration |
| fxc | Dimdata FilePackager Configuration |
| gbc | GFI Backup 2009 Tasks |
| gbt | GFI Backup 2010 Tasks |
| gco | Genbox Family History Chart Options |
| gcsx | Microsoft Office SmartArt Color Definitions |
| gdm | GNOME Display Manager Configuration |
| gdws | GUI Design Studio Workspace Settings |
| geprint | Google Earth Pro Map Settings |
| ghi | NCSA Mosaic Configuration |
| ghn | GH Setup Tool Settings |
| ghr | GHR Parameters Data |
| gil | GroupMail Field Mapping File |
| gng | GNG Configuration |
| gpa | GenePix Batch Settings File |