How to migrate Thunderbird files to Web Browser Mac online? You can easily migrate Thunderbird files to Web Browser Mac OS with the help of the latest Mac Thunderbird Migrator. This software helps users like; home and professionals to complete the task of migrate Thunderbird files to Web Browser (HTML) by keeping complete data safe. Batch file migration also can be done in minimal time, it helps users to save their time and effort. Download the free Mac Thunderbird Migrator tool to test its working process, it helps you to migrate 20+ files at a time.