MBOX to PST conversion is easily handled with MailsDaddy MBOX converter tool. The application has numerous feature to migrate and open MBOX-based email client to Outlook PST format. It is capable of converting large email from MBOX to PST, Office 365, EML, MSG etc. with attachments. The free demo edition of the software converts up to 20 emails from each folder.
Read more: https://www.mailsdaddy.com/mbox-to-pst-converter/