Go and check eSoftTools OST to PST Converter tool to recover your deleted OST file. This tool easily recovers deleted and corrupted OST file by doing some simple steps. And Convert your OST file to PST, HTML, EML, EMLX, Office 365, Yahoo, Gmail, MSG, ICS, MBOX, and Zimbra. You can convert some selective OST file with email filtering option. For more information check the demo version of this tool from the official website of eSoftTools.