Hello, you might want to give the
SysInspire OST to PST conversion Tool a try. The software is based on efficient technologies, and there are no file size limitations while converting data with it. Users can save OST files in a variety of formats, including PST, EML, EMLX, MSG, MBOX, vCard, HTML, NSF, OFFICE 365, and others. You can save up to 25 emails from each ost folder to pst or other needed file types in the free version.
Read More:- Convert OST File to PST
