Looking for a way to back up Thunderbird emails? The MailConverterTools Thunderbird Backup Tool is an easy solution for backing up emails to various file formats. With this software, users can migrate Thunderbird mailboxes to services like Gmail, Yahoo Mail, Office 365, IMAP, and more. It also includes a Date Range Filter feature, allowing users to export data based on specific start and end dates, as well as categories like Emails, Contacts, Calendars, Notes, and more.