| 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 |
| 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 |
| gpd | Generic Printer Description |
| gps | GenePix Settings File |
| grc | GRASS GIS Manager Settings |
| grf | Minecraft Game Rules Data |
| gso | GoldenSection Notes Data |
| gtkrc | GTK+ Configuration Data |
| gtp | Gimp Tool Preset |
| gvimrc | Vim Runtime Configuration |
| gwm | X11 Generic Window Manager Settings |