RudeWarner
New Techie
Office 365 is a cloud based application so one cannot migrate Thunderbird to Office 365 directly. So if you want to export then you need a professional application. MailsDaddy Thunderbird to Office 365 is a best GUI based application that allows user to perform bulk migration and migrate all data at once. This software is capable to maintain folder structure as it was before and also import Thunderbird data into primary and in-place archive mailbox. Not only this, it runs on all windows versions and easily works with large size databases.
More Info- https://www.mailsdaddy.com/thunderbird-to-office-365-migration/
More Info- https://www.mailsdaddy.com/thunderbird-to-office-365-migration/