Forum Discussion

Bryan Callicott's avatar
Bryan Callicott
Copper Contributor
Sep 21, 2017

Google Authenticator app & Office 365 MFA

Is it possible to use the Google Authenticator iOS app with Office 365 MFA instead of the Microsoft Authenticator app?   I tried adding to Google Authenticator with both QR code and manually but go...
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Przemyslaw W's avatar
Przemyslaw W
Brass Contributor

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).

--- edit after 15min ---

Ps. I just set-up on my new phone GAuthenticator for 3 company O365 accounts :)

Marius Gerighausen's avatar
Marius Gerighausen
Copper Contributor
Sep 28, 2018
On the ihrer Hand, there is something missing. What if you never want to loose access, wouldn‘t it be clever, to add another totp provider, like keePassXC or just a second device with a totp app? If you consider your phone at risk of getting lost or Brocken/unaccessable? MS only supports phone numbers as backup there...
  • Marius Gerighausen's avatar
    Marius Gerighausen
    Copper Contributor
    Sep 28, 2018
    Can‘t find the edit button, ihrer=other, Brocken=broken
    sent with mobile device<—
  • Simeon Lewis's avatar
    Simeon Lewis
    Copper Contributor
    Sep 28, 2018

    Truth is, Office 365 should support a variety of multi-factor authentication options - Google Authenticator, Duo, Yubico etc.  MFA for O365 wont get wide spread adoption until they support more than just their own multi factor option.

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