MacSonik Thunderbird Backup Tool is a premium utility that helps to backup or migrate Thunderbird emails to desired file formats and email clients efficiently. This utility helps to backup Thunderbird mailbox data to PDF, PST, MBOX, MSG, etc. it also migrates Thunderbird emails to Gmail, Office 365, AOL, Opera Mail, IMAP, etc. The Thunderbird backup tool for Mac removes duplicate emails based on cc, Bcc, Subject, Body, etc. It provides migration of Thunderbird emails in bulk with or without attachments. It has a simple graphic user interface and it is widely supported by all versions of Mac OS.