| .gxc |
General CADD Pro Component |
| .gcd |
Generic CADD Drawing File |
| .g3d |
GOM 3D File |
| .ginspect_prj |
GOM Inspect Project File |
| .geo |
VRML Geography File |
| .gxm |
General CADD Pro Macro File |
| .gxh |
General CADD Pro Hatch Pattern File |
| .gcode |
G-Code 3D Printer File |
| .hcp |
HydroCAD Project File |
| .hus |
Husqvarna Embroidery File |
| .hsf |
HOOPS Stream Format File |
| .hsc |
Aspen HYSYS Simulation File |
| .iso |
Disc Image File |
| .ics |
Calendar File |
| .idw |
Inventor Drawing |
| .iam |
Inventor Assembly File |
| .ipt |
Inventor Part File |
| .ise |
InstallShield Express Project File |
| .iba |
Lectra Clothing Design Pieces File |
| .ipf |
Interchangeable Preservation File |
| .igs |
IGES Drawing File |
| .icd |
SafeDisc Encrypted Program |
| .ipn |
Inventor Presentation File |
| .ide |
GTA Item Definition File |