| File Extension: | GD3 |
| File Type Description: | GreatFamily Tree File |
| File Type Developer: | GreatProgs |
| Primary Associated Software: | GreatFamily |
| Primary Software Developer: | GreatProgs |
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Release of the GreatFamily software program prompted the development of the GreatFamily Tree File file type by GreatProgs. According to our internal data, GreatFamily Tree File files are most popular with users in United States, with a majority of them running Windows 10. A vast majority of these users are opting to use Google Chrome as their preferred internet browser.
 | GreatFamily by GreatProgs |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .GRG | GreatProgs | Graphic Files | GreatFamily Graphic Gallery |
| .QMA | Robelle | Data Files | QEDIT Data File |
| .ZLN | Check Point Software Technologies Ltd. | Data Files | ZoneAlarm Mailsafe Renamed Data |
| .VSR | Microsoft Corporation | Database Files | Microsoft Access Report |
| .I3F | Interactive Intelligence | Data Files | I3 Fax File |
| .CT1 | Microsoft Corporation | Data Files | Microsoft Systems Management Server Proposed Site Control Data |
| .D3P | UnitedPrint.com | Data Files | DigitalPrintLab Data |
| .GBX | Nadeo | Game Files | Nadeo Game File |
| .DAS | Bissantz | Data Files | DeltaMaster Analysis Session |
| .VDMK | VMware | Data Files | Virtual Disk File |
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