Try Mac PST Converter that help users to successfully import email PST to Thunderbird on Mac with contacts, calendars, and other items. Mac PST Converter is a safe and trouble-free solution that is built-up with a friendly environment that both home and professional users can make use of to import email PST to Thunderbird on Mac. Mac PST Converter offers number of features that one can apply as per requirements to import email PST to Thunderbird on Mac accordingly. You can test the whole procedure by downloading the free demo. It allows to import 25 PST emails to Thunderbird on Mac free of cost.