MailsDaddy MBOX to PST Converter tool is the best GUI solution to load and transfer data from MBOX-based email clients to Outlook PST format with attachments. The application supports all MBOX-based email clients and easily transfer large mailbox from MBOX to PST, EML, MSG, PDF etc. You can also try the free demo edition first and move few emails from each folder. Get more info: https://www.mailsdaddy.com/mbox-to-pst-converter/