To transform all MBOX data into a single or different PST with a date range filter, use the fantastic eSoftTools MBOX Converter. All MS Outlook editions, including 2019, 2016, 2013, 2010, 2007, and others, are supported, as are all Windows models, including 10, 8.1, 8, 7, XP, and others. You will download a free version of the software that converts a few objects from each document.
Get more info- MBOX to PST Converter
Get more info- MBOX to PST Converter