If you can't access your Mac OLM file which is accidentally deleted or corrupted, and want to find out the solution of this problem. Then I would like to suggest you can use Manual methods for repair and convert data OLM file into Outlook PST format. It is very easy to use for conversion OLM file data to new Outlook PST and other files like MSG, EML and HTML format.
To know more details and how to use the manual solution visit:- migrateemails.com/2015/09/22/make-olm-to-pst-conversion-easy-instant-and-accurate/