If you want to migrate Thunderbird to Outlook 365 then use the most dependable tool for converting many Thunderbird files to Office 365 at once, which is the eSoftTools Thunderbird to Outlook converter tool, it can also import Thunderbird email to Office 365 file. It offers special qualities that allow users to quickly and efficiently import Thunderbird emails to Office 365 files, and it can auto-load specified Thunderbird emails for migration.
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