How to Open MBOX File in Outlook?
First of all, use the eSoftTools MBOX to PST converter Software and convert all emails from MBOX to Outlook PST. After conversion, you can easily open the MBOX file in Outlook. This tool is able to convert a date-to-date range of selected emails without any limitation. It has a split PST file option that allows users to split a large PST file into multiple small-size PST files without any errors.

Know more:- https://www.esofttools.com/mbox-converter.html