Both MBOX and PST have different data structures, so when a user wants to migrate an MBOX file to Outlook, professional tools come in handy.
MailsDaddy MBOX to PST Converter tool is the best GUI tool to transfer data from MBOX-based email clients to Outlook PST format with attachments. The application easily views emails on the right side of the pan and allows the exporting of batch mailboxes from MBOX to PST format. You can also filter and select emails to open in Outlook. It runs on all Windows OS and moves data to any other file format like Office365, EML, MSG, HTML, etc.