AST Office365 Account Setup With Microsoft Authenticator App (One Device Method)
Follow these step-by-step instructions to setup your AST account on the Microsoft Authenticator App using the One Device Method where only your mobile phone is required. If you'd like a faster setup by using the Two Device Method which requires your mobile device and a computer, visit this ARTICLE for steps.
Step 1: On your mobile phone, open the app store and search for and download Microsoft Authenticator.
Step 2: Open a web browser such as Google Chrome or Safari and visit portal.office.com then type your AST email and hit Next. You'll be lead to enter your password to Sign in...
Step 3: Hit 'Next' at the page shown below
Step 4: Click 'Next' to start setting up the MS Authenticator app
Step 5: Click on 'Pair your account to the app by clicking this link.'
Step 6: You'll be prompted to open the Authenticator app you download. Hit 'Open'
Step 7: When you switch to the app, unlock the app by using your phone biometrics such face recognition, pin, or password.
Step 8: Your account is now should be added as shown below. Proceed to step 9 right away
Step 9: Go back in the browser where you'll see this screen below, and hit 'Next'
Step 10: The MS Authenticator app wll send you a notification to approve the sign, and you'll need to enter the two-digit code in the app that appears in the browser. (If you didn't get the notification from the app, slide down your screen to bring the notification centre and it should be there).
Important Note: During the registration period in your first time, you may not get the two-digit code and it'll only ask you to approve the the sign-in that'll show up on your authenticator app.
Step 11: Enter the two-digit code that was in the browser.
Step 12: Hit 'Next' in your browser
Step 13: Hit 'Done'
Congratulations. You have setup MFA on your account! To setup Passwordless authentication after you've setup the Microsoft Authenticator app, wait 3-days and visit this article HERE. With passwordless authentication, you can access a trusted device without having to enter a password. Only the two digit number is required.