How to convert Thunderbird files format to PDF on MacOS online? Use the latest Mac Thunderbird Converter tool, it is designed with easy to use interface to help home and professionals complete the task of conversion of data from Thunderbird files to PDF on MacOS with no data loss. Batch/bulk Thunderbird files to PDF on MacOS conversion also can be done with no data loss, it saves users valuable time and effort. Download the free DEMO of Mac Thunderbird Converter tool, it supports converting 20+ files at a time.