| extension name | file type | Classification |
|---|---|---|
| GMMP | WCS Gamut Map Model Profile | System Files |
| GRL | Windows Update Status File | System Files |
| GROUP | Windows Contacts Group File | System Files |
| GRP | Windows Program Manager Group | System Files |
| extension name | file type | Classification |
|---|---|---|
| GMMP | WCS Gamut Map Model Profile | System Files |
| GRL | Windows Update Status File | System Files |
| GROUP | Windows Contacts Group File | System Files |
| GRP | Windows Program Manager Group | System Files |