Navigate to Outgoing Server on the left-hand panel of the account settings screen.

Navigate to Account Settings > Server Settings > Security Settings > Authentication Method and select OAuth2 from the Authentication Method dropdown.

Note: Now if you try to navigate to the Mailbox that was just added, you will be prompted to enter in your password.

Click Done to confirm the creation of your account.

Thunderbird should automatically discover and fill in the server settings necessary for your account:.

Email Address: Enter do not enter in your password on this login screen.

Your name: Your name as you'd like it to appear.

On the Mail Account Setup window, enter information into the available fields as follows:.Select Email under the Setup Another Account section in the main window. If you have other accounts configured, you can navigate here by clicking on Local Folders on the lefthand side. Launch Thunderbird to bring up the main Thunderbird interface.Note: These instructions assume you are running a version of Thunderbird 77.0b1 or later which supports OAuth2 modern authentication. The Samsung Email app has been consented permissions by the tenant admin, and the Azure AD log shows successful logons when the above symptom happens.This document describes how to configure your UWM Office 365 email account in Thunderbird using OAuth2 (Modern Authentication). Using the 'Email' account type with mailboxes residing in the cloud also works. I also have no trouble adding the account to ios's native accounts app.

I am able to add the very same account to Outlook for Android on the same phones, and I can even add the same account as a Gmail app backed 'Exchange' account type as well. Office 365 > logon using a user credential, user has their mailbox on-premise Settings > Accounts > Add > select account type 'Email' I am trying to configure our Samsung phones (S8, S9, S21) to use hybrid modern authentication with our on-premise Exchange 2019 server. Legacy (basic) authentication is disabled both in the cloud and on-premises. My organization uses an Exchange 2019 hybrid setup.

Office 365 modern authentication