Free unlimited OST to PST converter by eSoftTools for convert ost to pst and other versions of Outlook. The tool has wonderful options to permits to export OST file into various formats vCard, CSV, EML, MSG, PST Outlook, HTML, EML, EMLX and Office 365.
Get the details -https://www.esofttools.com/ost-to-pst-converter.html
Get the details -https://www.esofttools.com/ost-to-pst-converter.html