| HDiskDefrag x64 | Ace Secret Disk | Software to Convert OST2PST | O&O Defrag Free Edition | |
| 3.0.5 | 8.15.0.0 | 5.5 | 14.1 B431 | |
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| Freeware | Trialware | Shareware | Freeware | Licence |
| FREE | FREE | $49.00 | FREE | Price |
| 0.27 MB | 13.50 MB | 24.40 MB | 17.20 MB | File size |
| Aug 20, 2015 | May 1, 2025 | Mar 13, 2018 | Sep 19, 2013 | Update |
| 19 | 96 | 58 | 26 | Downloads |
| Windows XP, Windows Vista x64, Windows 7 x64, Windows 8 x64, Windows 10 x64 | Windows 11, Windows 10 32/64 bit, Windows 8 32/64 bit, Windows 7 32/64 bit | Win2000, Windows 7 x32, Windows 7 x64, WinOther, WinServer, Windows Vista, Windows Vista x64, Windows XP | Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 | OS |
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