| 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 |
| .H17 | H&R Block | Data Files | H&R Block Canada 2017 Tax Return |
| .SZP | PKWare | Data Files | SecureZIP Policy Data |
| .ZQV | Check Point Software Technologies Ltd. | Data Files | ZoneAlarm Mailsafe Renamed Data |
| .SRG | Ketron | Uncommon Files | Ketron Single Registration File |
| .PHB | Motorola | Data Files | Motorola Phone Book File |
| .TV6 | Corel Corporation | Data Files | Corel WordPerfect Overflow Data File |
| .BAD | Microsoft Corporation | Text Files | Exchange Badmail File |
| .RI | IBM | Data Files | IBM Lotus 1-2-3 File |
| .CBZ | Open Source | 3D Image Files | Comic Book Zip Archive File |
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