Thunderbird Mail Converter Software saves a backup of Thunderbird emails. It downloads Thunderbird emails with all its Mail attachments & files. It converts & saves Thunderbird mailboxes into PST, MBOX, EML, MSG, PDF, CSV, TXT, DOC, HTML, EMLX, MHTML, etc. Also, it transfers Thunderbird emails to Gmail, Outlook, Yahoo Mail, AOL, Office 365, Live Exchange, IMAP Server, AWS Work Mail, iCloud, Yandex Mail, Opera Mail, Zoho Mail, and other email clients accounts. It removes duplicate emails during the email conversion process. The Mail filter feature of the Thunderbird Converter allows users to backup selective mailboxes. This mail application supports all the versions of Mozilla Thunderbird Microsoft Windows OS. The demo version of the software converts the first 50 Thunderbird mailboxes free of cost.