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Not seeing OAuth2 Option in Outgoing server

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https://support.mozilla.org/en-US/kb/microsoft-oauth-authentication-and-thunderbird-202

In the above link, In the step where it says: 4. Select Authentication method: OAuth2 (instead of Normal password).

I don't see the option OAuth2 in the list of Authentication methods.

I need this in order to accommodate microsoft's recent changes.

https://support.mozilla.org/en-US/kb/microsoft-oauth-authentication-and-thunderbird-202 In the above link, In the step where it says: 4. Select Authentication method: OAuth2 (instead of Normal password). I don't see the option OAuth2 in the list of Authentication methods. I need this in order to accommodate microsoft's recent changes.
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The correct settings are outlook.office365.com for the incoming on port 995 (POP) or 993 (IMAP), SSL/TLS, OAuth2, email address. For the outgoing: smtp.office365.com, port 587, STARTTLS, OAuth2, email address.

https://support.mozilla.org/en-US/questions/1417298#answer-1588949

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