If you need to move or archive MBOX emails, it is important to preserve both the message content and the associated attachments. The exact process depends on the email client and the output format you need. For a large number of emails, manually exporting messages one by one is not very practical. SysTools MBOX Converter can be considered when you need to convert or export MBOX mailbox data while retaining the email content and attachments in the selected output format.