Convert OST to PST Tool - Version 3.6 Convert OST to PST Tool: If you cannot read own OST files then use OST to PST converter tool to easily read exchange OST files as PST files. This ost to pst conversion software repairs deleted OST emails and mailbox items and convert into PST file format and runs on all Windows OS platform. Download OST to PST Tool to run and recover whole mailboxes and converted successfully into PST files with all items like contacts, notes, tasks, calendar, meeting list, distribution list and others folders with accurate files format like RTF, HTML and others. Demo version of the software evaluates the process of the OST to PST converter tool. After evaluations of this software you want to purchase online full version for invest only $99.