06-25-2025, 12:33 PM
Use the IMAP configuration to transfer Thunderbird emails to Office 365. Since Thunderbird is the email client that is compatible with all email accounts. So add your Office 365 email account with Thunderbird. Then, move the email folder you want to your Office 365 email address. However, it is a lengthy process that requires lots of time and some technical support. To avoid all the hassle, try the Advik Thunderbird Converter to migrate Thunderbird to Office 365 in a few simple clicks.