You can easily perform conversion of MBOX file from its supported email client applications like Apple Mail. Entourage, Thunderbird, Spicebird, Netscape, Poco Mail, etc to Outlook PST format. Here, I share an easy manual technique to convert the large MBOX file to PST format. Follow the steps one by one and convert into Outlook PST.
Learn here:- migrateemails.com/2015/08/19/convert-mbox-mail-into-outlook-pst-with-mbox-to-pst-converter/