How to backup and restore Thunderbird mailboxes to the local machine?

Here is the fastest way in which you can backup and restore Thunderbird mailboxes to the local machine. this method requires the use of this third-party tool, the MacSonik Thunderbird Backup Tool for Mac. This software has the advantage of migrating Thunderbird mailboxes to numerous email clients, for example, Gmail, Yahoo, IMAP, Hotmail, AOL, Opera Mail, Hostgator Email, and so on, in batches. It facilitates removing duplicate emails based on From, To, Cc, Bcc, Subject, and Body.  Moreover, the tool allows users to Thunderbird emails to PDF, PST, EML, EMLX, DOCM, DOCX, PNG, JPG, MSG, HTML, MHTML, GIF, etc.