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1. Several times users come into a situation where they need to save IMAP account emails to the thunderbird local folder. If you are also a user who is searching for a reliable method to do this job, so use eSoftTools IMAP Backup and Migration Software. This is one of the best tools for doing this task in a minimum amount of time. With the help of this tool you can download all your IMAP emails with their complete details. it exports emails from entire or selective folders of the IMAP account.

          More - Export IMAP Account email to Thunderbird Local folder

           https://www.esofttools.com/blog/export-imap-account-e-mails-to-thunderbird/