When downloading new email, Outlook automatically creates local copies of email messages in OLK14MESSAGE files. It turns out that you can open these files by simply changing their file extension from. pab) files and messages are also stored as OLM file. You can download OLK14 Message Recovery application from: https://www. As such there is no manual way to recover OLK14MESSAGE file of Mac Outlook until and unless one have specific knowledge about it and.