Google Authenticator app & Office 365 MFA

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Przemyslaw W wrote:

No true, you are not forced to install MS Authenticator, You can without problem use Google Authenticator, but you need to display the "Secret" key:

In screen with QRCode to scan there is a small blue link "Setup application without notifications" (sorry don't exactly know if this is proper translation for it) , click it and you'll get the secret, then just type it into G Authenticator and you're set :) (You don't have to type the full account name, this is for you to identify it only).

Thank you, that was the key for me. For anyone else wondering, this is the process for setting up 2/MFA with any OTP app (I use andOTP):

1. Open the security verification page for your user: https://aka.ms/MFASetup
2. Check the Authenticator app box, and click the Configure button.
3. Click the Configure app without notifications URL
4. Now scan the QR code with your app and configure like normal.

It seems like Microsoft really go out of their way to obscure the fact that you don't actually need Microsoft Authenticator to use this factor for authentication.