OST Converter Software - Version 3.2 OST Converter Software recovers emails from OST file data that become inaccessible due to virus attacks, header corruptions or database corruptions. In addition to this, OST to PST conversion software can be used in the event of 2GB limitation error i.e. for previous versions of OST files created using Exchange Server (2002 and previous versions). Use ost to pst migration software, you can easily convert emails, folders, attachments, notes, journals, appointments and tasks which can be saved in pst file at the desired location. OST to PST conversion software scans the ost file recursively and displays preview of mailbox emails so recovered. OST Data Recovery software provides demo version, it available for users without paying any charge, so it convert unlimited emails. OST Converter Software to desired result as per your need then you can order the full version license of our software starting $99.