Make use of OLM Converter for Mac to open an OLM file on Mac Thunderbird with emails and attachments. OLM Converter for Mac is a safe and trouble-free solution that is equipped with a friendly approach which is accessible effortlessly by all technical and novice users. OLM Converter for Mac has plenty of advanced features with the help of which Mac users can open an OLM file on Mac Thunderbird. However, Thunderbird saving option is available in Select Saving Options property. But, if you want to convert OLM to MBOX, then the process can be performed as MBOX is also present as a saving type. Moreover, the free demo is available which will help you to test the procedure to open OLM file on Mac Thunderbird for free.