OST to PST File Conversion can convert OST files to PST completely on Microsoft Exchange and handles various versions 2000, 2003, 2010, 2007, 5.0, and 5.5. OST to PST File Conversion tool will perform well when OST files corrupted or damaged with virus infections. This prominent conversion tool translates all kinds of OST files to PST quickly and it recovers Microsoft Outlook appointments, folders, emails, notes, journals and contacts.