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Ost file viewer

Free OST Viewer is a freeware application For Microsoft Outlook users. This freeware tool helps to open, view and read OST files even if they are corrupted and that too without the help of Microsoft Outlook. This freeware tool is one of the tools made by SysInfoTools Software to help open corrupt and inaccessible MS Outlook OST files without any problems. Anyone can download this freeware tool to view, open and read Outlook emails and other items like contacts, task, calendars and can even save them in HTML format.


  • Open and view OST files even without the help of Microsoft Outlook
  • Open and view OST files without requiring Exchange Server
  • Read, open and view files even when they are inaccessible or corrupted
  • Can read and view emails, tasks, calendars, notes, journal entries and so on
  • Three scanning modes to detect and view corrupt and inaccessible OST files
  • Exporting users data in HTML format
  • Supports creation of Log file with flexible saving option
  • Simple and highly interactive user interface
  • Compatible with all versions of Microsoft Windows