oauth2 and office professional 2021 setup

Bruce Plumer 5 Reputation points
2024-06-28T16:11:08.12+00:00

I received an email indicating that oauth2 'maybe' required for my connection to the outlook.com email account. Outlook 2021 does not seem to have that setting and there is no clear answer from microsoft on setting it up. I use POP connection because I am required to keep a local copy of all email. How is this to be setup using office professional 2021 Outlook?

thank you

Outlook | Windows | Classic Outlook for Windows | For business
Microsoft 365 and Office | Install, redeem, activate | For business | Windows
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  1. Faery Fu-MSFT 19,751 Reputation points Moderator
    2024-07-01T08:48:18.39+00:00

    Hi @Bruce Plumer ,

    Outlook supports OAuth in all current Microsoft 365 subscription SKUs and Outlook 2021 LTSC (any SKU with build 11601.10000 or higher) when connecting directly as Outlook.com. If your Outlook is configured to connect to Outlook.com using POP or IMAP, OAuth is not supported. This means that when Basic authentication is fully deprecated, it will no longer connect. 

    More detailed information, see: Outlook and other apps are unable to connect to Outlook.com when using Basic authentication


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