Setting up Microsoft Authenticator App

Setting up Microsoft Authenticator App

Overview 
The purpose of this document is to detail the process for changing the Office 365 multifactor authentication 
(MFA) method on your account from text message to the mobile app notification.  

App Installation 
For the mobile app notification method, you need the Microsoft Authenticator app installed on your mobile 
device. Should this already be installed, please skip to “Change MFA Method” section.  
1. Go to the App Store (Apple Devices) or Play Store (Android Devices). 
2. Search for ‘Microsoft Authenticator’ 
3. Download and install the app then open it. 
4. Accept the privacy prompt. 
5. Select Skip. 
6. Select the + icon. 
7. Then select ‘Work or school’ followed by ‘Scan QR code’ 
8. Permit the camera access prompt. 

 
9. Leave the app running as you will need this shortly. 

Change MFA Method 
1. From your PC, log in here: https://mysignins.microsoft.com/security-info 
2. Select ‘Add sign-in method’ and select ‘Authenticator app’ followed by ‘Add’. 
3. Select ‘Next’ twice.
4. Scan the QR code from the Authenticator App.
5. Select ‘Next’ and validate the method.
6. Once confirmed on your phone, finish the setup on the web page.
7. Set the Microsoft Authenticator as the default method by selecting ‘Change’ then select ‘App based
notification – notification’ from the drop-down box and select ‘Confirm’ to complete:


 
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