Microsoft MFA (How To) Set up Microsoft Authenticator App – Currently Enrolled in Microsoft MFA

This article is intended for users who are already enrolled in Microsoft MFA with either a phone call, text message, or hardware token for their authentication method. This article provides instructions on how to set up the Microsoft Authenticator App as the primary authentication method for an account.

Begin by installing the Microsoft Authenticator App on the Android or iOS device you wish to use. If you are viewing this article on a computer, you can securely install the Microsoft Authenticator App by using your Android or iOS device to scan the respective QR codes directly from Microsoft's website. If you are viewing this article on your mobile device, you can click the link to securely install it for Android from the Google Play Store, or for iOS from the App Store.

Log in to Microsoft 365 and click on your Person Icon in the top right corner of your working screen and then choose View account from the drop-down menu.

Microsoft 365 View Account

Click the UPDATE INFO link on the Security info tab. 

Update Security Info

Click Add method.

Security info - add method

From the drop-down menu that appears, select Authenticator app and click Add.

Add a method, authenticator app

When prompted to get the app click Next.

Get the app prompt

When prompted to set up your account click Next.
Set up your account

This will bring up a QR code for you to scan using the Microsoft Authenticator App on your Android/iOS device.
Can the QR code prompt - browser.

On your Android/iOS device, open the app and tap Add account.

Add account - Microsoft Authenticator app

If prompted tap Continue.

Do you have a backup prompt - mobile

Tap Work or school account.
Add work or school account - mobile app

When prompted tap Scan QR code.
Scan QR code prompt - mobile app

Use your Android/iOS device to scan the QR code from the prompt on your web browser.

Scan QR Code with Mobile Device

Once it registers your account, you will see your UWM email address ( listed in the Microsoft Authenticator app on your Android/iOS device.

 Successfully added account to Microsoft Authenticator app

In your web browser you will be prompted to run a test to ensure MFA is working with your Android/iOS device. This will send a push notification to your Android/iOS device. Tap Approve to complete the test.

Approve push notification

If the test is successful, you will see Notification approved in your web browser. Click Next.

You will now see Microsoft Authenticator listed in your Security info sign-in methods.
Microsoft Authenticator app successfully registered 

Next, you will change your Default sign in method from your old method (Phone call or text message) to the Microsoft Authenticator app that you just registered.

Click on the Change button next to Default sign-in method.
Change default sign in method

From the drop-down menu that appears, select Authenticator app or hardware token code, and click Confirm.
Change default method, confirm authenticator app code

Your Default sign-in method is now updated.
Your default sign in method was updated

If you are done making changes to your Security info, click on your person icon in the top right corner of your working screen and Sign out.
My account - sign out

When asked which account you want to sign out of select your account.

Sign out confirmation

After you are signed out, close your browser.



  • To utilize the push notification option in with the Microsoft Authenticator app, you will need to have an internet connection. Data rates and charges may apply.
  • You do not need an internet connection to utilize the code option. This is why we recommend this method for international use.
  • If you do happen to run into issues with the push notification option, please see the article Microsoft MFA (how to) Authentication issues-sign in another way
  • If you continue to have issues authenticating, or if you have other barriers that prevent you from accessing a second device please reach out to the UWM Help Desk for assistance. Any student who feels they do not have the technology to successfully enroll should call the UWM Help Desk at 414-229-4040 or visit

See Also:

Keywords:Microsoft, MFA, 365, M365, Azure, how, to, set, up, configure, reconfigure, use, student, students, use, authentication, authenticate, second, factor, 2fa, 2, two, 2factor, before, phone, number, #, new, additional, extra, method, app, users, current, currently, methods, enroll, enrolling, enrolled, enrolls, faculty, staff, emeritus, annuitants, annuitant,   Doc ID:67683
Owner:Help Desk K.Group:UW-Milwaukee Help Desk
Created:2016-10-07 15:58 CDTUpdated:2022-09-08 14:31 CDT
Sites:UW-Milwaukee Help Desk
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