To Convert free ost to pst Outlook online through Outlook ost to pst converter online software which smoothly recover Outlook OST file. The ost to pst converter full version software to transfer Emails properties such as- TO, Bcc, Cc, Subject, from, date, and etc. in new Outlook PST file.  The software to Export OST to PST file, pst, vCard, vCal, Gmail, live Exchange sever, office 365, zimbra, MBOX, EML, EMLX, NSF, HTML, PDF, OLM, and etc.