For OST conversion use eSoftTools OST to PST Converter software which has the capability to convert multiple OST file in a single process. Apart from converting OST file to PST it also exports to other options like - MBOX, Yahoo, office 365, HTML, MSG, vCard, etc. It is available for all Windows versions - 11, 10, 8.1, 8, 7, XP, Vista, etc. So use it now without any delay.

Main link- https://www.esofttools.com/ost-to-pst-converter.html

Read more- https://www.esofttools.com/blog/best-fr … converter/