To export MBOX files to PST Outlook is little bit tricky and time consuming process so here I recommend you to use professional MBOX to PST Converter software which is completely safe and easy to use for both technical or non-technical users because of its simple and intuitive interface which directly convert single or multiple MBOX files to PST Outlook. It is renowned software when it comes to convert corrupted, damaged or inaccessible MBOX files. If you want to know advanced features and functionality of the software, Users can download free demo version from the official website-
https://www.emailsguru.com/mbox/pst/