| OST File Conversion | OST File Opener Free | OST File Viewer | Free Outlook OST File Viewer Tool | |
| 6.0 | 5.0 | 18.0 | 5.0 | |
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| Shareware | Freeware | Freeware | Freeware | Licence |
| $49.00 | FREE | FREE | FREE | Price |
| 25.80 MB | 18.10 MB | 2.57 MB | 18.10 MB | File size |
| Jun 13, 2018 | Jul 2, 2021 | Jul 6, 2022 | Aug 4, 2021 | Update |
| 32 | 35 | 37 | 31 | Downloads |
| Win10, Win 8.1, Win8 x32, Win8 x64, Windows 7 x32, Windows 7 x64, WinServer, Windows Vista, Windows Vista x64, Windows XP | Win10, Win8.1, Win8, Win2000, Windows 7 x32, Windows 7 x64, WinOther, WinServer, Windows Vista, Windows Vista x64, Windows XP | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows 2000, Windows 2003, Windows Server 2000, Windows Server 2003, Windows Server 2008, Windows Server 2008r2, Windows Server 2012, Windows Tablet PC Edition 2005, Windows Media Center Editi | Win10, Win8.1, Win8, Win2000, Windows 7 x32, Windows 7 x64, Windows Vista, Windows Vista x64, Windows XP | OS |
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