To migrate OST to PST format in few seconds but firstly recover damaged Outlook OST files through OST to PST Converter from KDETools software. This is one of the ultimate solutions allows smoothly converts chooses OST to PST Outlook format without Outlook in few moments. Its app simply works to import ost to PST Outlook, office 365 accounts, Gmail mailbox, Zimbra, Gmail, Live Exchange server, OLM, MBOX, EMLX, NSF, PDF, EML, MSG HTML and etc.
https://www.kdetools.com/ost-to-pst-converter.html