If you need to Convert OST to PST in Outlook 2016/2013/2010/2007 so you can try the third-party solution eSoftTools OST to PST Converter tool. It is compatible with all Windows versions and MS Outlook versions such as Win XP,7,8, 10 and 2003, 2007, 2010, 2013, 2016, 2019.It can migrate the all OST file data into multiple formats: Office 365, MSG, PST, vCard, HTML, Zimbra, Gmail, EML, EMLX, vCard, ICS, Live Exchange server, MBOX formats with all email attachment- to, cc, bcc, notes, task, journal, appointment, contacts, calendar etc.
Read More:- Convert OST to PST in Outlook 2016
stella ost to pst recovery software is the best software to recover all ost file data in to pst file this software is recover all corrupted and unmounted ost mailbox items in to pst file this software is support all version 32bit and 64bit ost file this software is recover all ost items like emails, contacts, calendars, task, notes and many other items in to pst file. for more info visit this link https://www.stelladatarecovery.com/ost-to-pst-converter.html