The best technique to export emails from Office 365 to a Thunderbird Profile is to first create a backup of Office 365 email in MBOX format and then import the MBOX file into a Thunderbird Profile. For creating an Office 365 email backup, you can use reputable tools like Softaken Office Backup Tool. With the use of this software, you can smoothly create a backup of your Office account in MBOX format and then easily import the MBOX files into Thunderbird using the Import/Export NG Tool.
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