Thunderbird not working with office365.com account
After upgrading yesterday to the newest version of Thunderbird, it stopped authenticating with e-mail accounts at office365.com.
These are the settings one account had on version 102.15.1 that was working before the upgrade. Server Name: outlook.office365.com Port: 993 Connection security: SSL/TSL Authentication method: OAuth2 Outgoing Server (SMTP): Microsoft - smtp.office365.com (Default)
Once the upgrade asked for the type of account, (School or IT Department setup) or (Personal), I choose Personal. Since then I have not been able to get back to that screen to select the other option (School or IT Department setup), which may be the issue. Is there a way to get to that screen again?
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I had this same problem. I was clued-in to this solution by Godaddy tech support to solve this issue with Godaddy's Microsoft 365 email. There's a Thunderbird download plugin that totally solves this problem, and more. It's called "Owl", costs ~$10/yr. It self-installs and sorts everything out in minutes. Search online for "thunderbird owl exchange", and you'll find loads of information. Godaddy did it for me, but it's a no-brainer as a DIY plugin.
Remove the account from Account Settings, Account Actions, restart TB, and add it again from Account Actions. If the account is not a personal outlook.com account, choose the other type. If your institution allows IMAP and SMTP access, the account be set up with the previous settings. But if it can only be added as an Exchange account, the OWL add-on is suggested. But if it worked in 102, it should work the same way in 115, although it might be necessary to delete some preferences (which the 115.3 update was supposed to fix).
I had the same problem after the 130.15 upgrade. Yes GoDaddy suggested the Owl solution. My soultion was to go back to version 102.15.1 and turn off auto updates. No problem with that version. That is telling me that it is not a problem on Microsoft's end and that 130.15 is the problem.