MBOX data cannot open into any Microsoft Outlook version directly. MailsDaddy MBOX to PST Converter tool is the best GUI solution to load and export data from MBOX to PST, EML, MSG, PDF, HTML, MHTML, & RTF format. Once the application is exported to Outlook PST format, import data into Outlook 2021, 2019 and earlier versions. The application manages internal and external folder structure during the whole conversion process. The application is compatible with all Windows edition like Window 11, 10, 8, 7 etc. With the trail version, user can migrate up to 20 emails/folder.