| O&O Defrag Workstation x64 | O&O Defrag Professional Edition x64 | O&O Defrag Server Edition x64 | O&O Defrag Professional Edition | |
| 23.0 B3094 | 28.0.10005 | 26.1.7709 | 29.0 Build 11110 | |
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| Trialware | Trialware | Trialware | Trialware | Licence |
| $29.95 | $29.95 | $99.00 | FREE | Price |
| 26.80 MB | 78.40 MB | 29.90 MB | 57.90 MB | File size |
| Oct 24, 2019 | Mar 20, 2024 | Sep 12, 2023 | Sep 17, 2024 | Update |
| 18 | 27 | 19 | 28 | Downloads |
| Windows Vista x64, Windows 7 x64, Windows 8 x64, Windows 10 x64 | Windows 10 x64, Windows 11 | Windows Vista x64, Windows 7 x64, Windows 8 x64, Windows 10 x64, Windows 11 | Windows 11, Windows 10 64 bit | OS |
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