Setup Microsoft Authenticator App

Tags AST Security

AST Office365 Account Setup With Microsoft Authenticator App

Follow the step-by-step instructions to setup your AST email account with Microsoft Authenticator App security method.

Note: Steps 3.1 to 4 needs to be taken in a quick timely manner to prevent any errors.

Step 1: On your mobile phone, open the app store and search for Microsoft Authenticator and download it

MIcrosoft Authenticator app

Step 2: On your computer, visit and login with your AST email. When you get to the screen shown below, click Next.

Please note that if you've already logged in and the screen below didn't show up right after you login, click on your profile on the top right where your initials is -> click 'view account' -> under Security info, click 'update info' -> click 'Add sign-in method' -> in the drop-down menu, select 'Authenticator app' -> click 'Add' and you'll get to the screen shown below.

Select Security Method

Step 2: Click 'Next' in the next screen

Set up your account with Authenticator App

Step 3.1: When you get to Scan the QR code show below, open the Authenticator app you downloaded on your phone and follow through step 3.2

Scan the QR Code

Step 3.2: In the Authenticator app select the + button to add account

press + button to add

Step 3.3: If it prompts a message asking if you have a back up, click continue

Step 3.4: Select 'Work or school account'

work or school email

Step 3.5: Select 'Scan QR Code'

scan QR code

Step 3.6: Use your phone camera to scan the QR code on your computer in step 3.1. Once you scan the QR code, the account will be added on your mobile Authenticator app with a code that resets every 30 seconds. Hit Next on your computer with screen shows in step 3.1.

Step 4: Enter the code on your computer that you see on your phone app and hit 'Next'

Enter Code from the app

You're all done! 

When you sign in to your account, it may prompt you to allow the sign in on your phone Authenticator app.

Important: Do not uninstall the app from your phone with your account registered as it will break the connection.

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Article ID: 732
Sun 8/28/22 7:32 PM
Mon 3/20/23 11:41 AM

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