| Abbreviation | Definition |
|---|---|
| GPK | Compressed Omnigo file archive (Geos package) |
| GPR | GenePix Results format |
| GQ | Epson's page description language (printer) |
| GR2 | Screen driver (Windows 3.x) |
| GRA | Chart (MS Graph 97) |
| GRA | Datafile (SigmaPlot) |
| GRA | Graph (Microsoft Graph) |
| GRADS | Metafile |
| GRASP | Animation (GRAphical System for Presentation format) |
| GRAY | Bitmap graphics (raw gray bytes) |
| GRB | GROB Graphic Object Bitmap graphics B&W binary |
| GRB | Ms-DOS Shell Monitor file (MS-DOS 5) |
| GRD | Drivers for GRX (graphics library) |
| GRDEF | Geoworks User Interface resource definition file |
| GRF | Graph Plus - Charisma Graph file |
| GRIB | Gridded Binary file |
| GRN | GRX graphics library drivers |
| GRP | Group file |
| GRP | PixBase Pictures GRoup |
| GRY | Raw GREY Graphics file |