You can use the Export Email as Outlook Msg option to open the Export Email Message window. This will export the selected email messages as a .MSG file to a specified location. The .MSG file will be created with all current attachments.
To export a journaled email to an .MSG file
The .msg files will be saved to the specified folder using a “yyyymmdd_subject.msg” naming method, where yyyymmdd is the date of the email and subject is the text from the subject field of the message.