I would like to suggest you can also try ZOOK OST to MBOX Converter .It enables users to import OST files into Apple Mail in order to open and save Exchange OST data in MBOX format. The software is easily compatible with all versions of MS Outlook, both new and old, and it runs smoothly on the most recent Windows operating systems, such as Windows 10, 8, 7, and so on.
To convert OST to MBOX format, users must first choose the OST file and then the destination place to begin the conversion process in the system. OST to MBOX Converter can also batch export OST to MBOX for Mac Mail, Thunderbird, Eudora, Opera Mail, and many other applications.
It is the finest way for customers to convert OST to Mac MBOX and move all Exchange OST data from Outlook to an MBOX-compatible email client. The trial edition allows users to export 25 items from each folder of an OST file to MBOX format.
