Office 365 - Outlook 2010 - MFA Experience?

Has anyone deployed Office 365 (Exchange Online) with an environment using Outlook 2010 AND needing Multi-Factor Authentication?

If so, what were your experiences and hidden "gotchas"?

Our clients are at Office 2010 SP2 is greater than or equal to 14.0.7015.1000.

I know that connecting over RPC over HTTP is no longer "supported" by Microsoft, and the only way it works is to remove the "encrypt data between Microsoft outlook and Microsoft exchange" and change to Anonymous Authentication and Basic Authentication.

But if you turn on MFA in the cloud, what have you experienced? Works?
Christian HansUndecided... Asked:
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Vasil Michev (MVP)Commented:
Office 2010 does not support Modern authentication, thus it does not support MFA. Your only option will be to use an App password:

I wouldnt recommend it unless absolutely necessary.

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Aaron GuilmetteTechnology Solutions ProfessionalCommented:
Vasil's data is correct.  If you're using Outlook client to connect to Office 365, you can enable multifactor authentication for the end users, but as Outlook 2010 doesn't support it, you'll have to generate an App Password for each user that they will use in place of their current password (they use their UPN/SMTP address as in the username field, but the App Password in the password field).
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