Download the best professional tool known as Stellar Converter for MBOX (https://www.stellarinfo.com/email-tools/mbox-to-pst-converter.php). This MBOX to PST Conversion Software exports MBOX files to PST file format. Supports Outlook 2019, 2016, 2013, 2010, and older versions. The program offers direct and secure conversion of MBOX emails into PST files with associated attachments. There is no modification to MBOX database internal structure after the conversion. Also, email properties and email formatting is well preserved throughout the MBOX to Outlook PST conversion process.

For more information, you can check out the official product page.