OLMConverter Plus has the ability to quickly and accurately convert your Outlook:mac data file (.olm) contents to Apple Mail, Address Book and Calendar formats.
***Convert your Mails from OLM files to standard .mbox file format. You can import these mbox file into Apple Mail, Thunderbird and other mbox compatible email client applications.
***Convert your Contacts from OLM files to .vcf file format. You can easily import this vcf file into Apple Address Book, Thunderbird/Postbox or other applications.
***Convert your calendar events from OLM files to standard .ics file format. You can easily import this ics file into iCal or other applications.