Digital Tweaks Apple Mail Import Tool exports your PST files to Apple Mail right on your Mac system. This would come in handy, if you have backed up your Outlook files and no longer have access to a Windows OS system. You can import, convert, and export Windows Outlook PST files along with the original Unicode content. This implies that the e-mail content in languages that use double byte - i.e., Arabic, Korean, Japanese etc. - are also supported and will be imported as is while you make a shift from Outlook mail to Mac mail.