OST file Converter
This eSoftTools OST file Converter application is the best option tool export OST file to PST files. This tool offers multiple formats for OST migration like Yahoo, Gmail, ICS, VCF, Office 365, EML, EMLX, HTML, MSG, vCard, and more. It works smartly to export and convert in order from OST to PST Outlook. A free preview version is also available, with support for both Outlook editions and Windows OS.
if you find any offline ost to pst converter software and not find any solutions try stella offline ost to pst converter software to convert all ost mailbox items in to pst file this software is convert all 32bit and 64bit ost file this software is covert all corrupted and unmounted ost mailbox items in to office 365 account this software is convert all ost file data using some simple steps. For more info visit this link https://www.stelladatarecovery.com/ost-to-pst-recovery.html