Convert OST to PST Freeware Utility - Version 4.0 Microsoft convert OST to PST software is the modern tool to convert your OST data file and after converting save refresh data in PST, MSG and EML formats without any trouble with OST Recovery Software. After converting OST files to PST Outlook format, the Outlook users can view its lost OST mailbox as in original format. With the third party convert OST to PST application, Outlook users can effortlessly get back its encrypted OST mails even after unpredictable corruption errors or issues. To convert OST to PST 2013, 2010, 2007 and older versions, the user just follows a few simple as well as understandable steps of this convert OST to PST tool. This utility supports all updated versions of OST and PST file. The trial version tool is also available here that helps user to know how a user can convert OST to PST file. For Converting OST to PST file in bulk buy full flagged version just paying $99.