| .grasp |
GRASP Animation |
| .gry |
Grayscale Image |
| .gnp |
GNPeak Output File |
| .gms |
Gesture and Motion Signal File |
| .gnutar |
GNU Tar Archive |
| .gtar |
GNU Tar Archive |
| .gza |
IZArc BGA Archive File |
| .gct |
Ocarina Cheat Code Manager File |
| .gdiagramstyle |
OmniGraffle Diagram Style File |
| .g41 |
Commodore 1541 Disk Image |
| .gdw |
Jaws Unleashed Data File |
| .gm |
GameMonkey Script |
| .g3 |
CCITT Group 3 Fax Image |
| .gjd |
The 7th Guest Media File |
| .gom |
GOM Media File |
| .hlp |
Windows Help File |
| .hdp |
HD Photo File |
| .hdmov |
QuickTime HD Movie File |
| .hme |
Windows Mobile Theme File |
| .hfd |
HotDocs Form Document |
| .hft |
HotDocs Form Template |
| .hpd |
HotDocs PDF Document |
| .hus |
Husqvarna Embroidery File |
| .hip |
Houdini Project File |