OLM Extractor Pro is an all in one conversion tool, which converts mails form Outlook for Mac to Apple mail/ Mac mails, Thunderbird, Entourage, Postbox, OLM to MBOX, OLM to EML file format in just no time at all. It picks entire mailbox from the source file itself and convert many times faster than a normal converter. It converts mails, contacts and calendars from the mailbox.