| fez | FUND E-Z Backup Archive |
| fgz | Formula Graphics Presentation Archive |
| fim | Icon Heaven Icons Package |
| flatpak | Linux Flatpak Application Bundle |
| fp8 | Fast PAQ8 Compressed File |
| fpkg | Mac OS X Installer Package |
| fqp | Flip-Q Package |
| fwa | Flex.Win Backup File |
| fwarc | FacetWin Disk Archive |
| fwb | FileWrangler Backup |
| fwp | Microsoft SharePoint Designer Web Package |
| gb7 | MASGAU Backup Archive |
| gbm | Genie Backup Manager Archive |
| gca | DGCA Archive |
| gcf | Steam Game Cache File |
| gem | RubyGems Gem Package |
| gemfile | RubyGems Gem Package |
| gfl | File Lock Pro Encrypted Archive |
| ggpkg | Pano2VR Garden Gnome Package |
| ghp | GitHub Software Package |
| gip | Ghost Installer Package |
| gnutar | GNU Tar Archive |
| gq | QLFC Compressed Archive |
| grpx | Dell EqualLogic SAN HQ Group Archive |
| grz | GRZip Compressed Archive |
| gsba | GameSave Manager Backup Archive |
| gszip | GameSalad Marketplace Asset |
| gxx | GeneXpert Archive |
| gz | Gzip Compressed File |
| gza | IZArc BGA Archive |