If you are searching
a safe and free OST to PST Converter tool then you can use OST to PST migration
Software that supports the OST to PST file
convert them into a different file format such as PST, EML, Zimbra, Gmail, Office
365, Live Exchange Server, EMLX, MBOX, MSG, vCal, vCard, HTML, NSF, PDF, and
etc. file types.
sbonny
If you are searching a safe and free OST to PST Converter tool then you can use OST to PST migration Software that supports the OST to PST file convert them into a different file format such as PST, EML, Zimbra, Gmail, Office 365, Live Exchange Server, EMLX, MBOX, MSG, vCal, vCard, HTML, NSF, PDF, and etc. file types.
more info- Convert OST to PST Outlook