Email - Two Factor Authentication

Two Factor Authentication, also known as 2FA, is an extra layer of security that is known as "multi-factor authentication". It requires not only a password and username, but also something that only the user has on them such as a physical token.


These steps show you how to enable multi factor authentication in Office365 after an administrator enables it on your account. Please note, some of the images below have been obscured for security purposes.

 You will need the following equipment:

  • A desktop or laptop computer
  • An Android or Apple iPhone with the Microsoft Authenticator App installed
  • An Office 365 email account with multi factor authentication enabled by an admin

1. Log into the Office 365 web portal on a desktop or laptop computer. You can access the Office365 web portal here: 

2. When 2 factor authentication has been added to your account, you will see a message requiring you to enroll after login, click Next.


3. On the next screen choose, mobile app in the drop down field and then select receive notifications for verification. Then click Set up.

4. After clicking Set up, you will see a screen similar to the one below.  Pause here for a moment as you will need to install an App on your mobile phone to continue.

5. Next go to your mobile phone, download and install the "Microsoft Authenticator" App from the Apple App store (iPhone) or Google Play Store (Android). 

6. Open the Microsoft Authenticator App on your phone and click add account. 

7. Then choose Work or School Account. 

8. The app will ask you to use your camera. Select allow to continue. Hold your phone up to the QR code displayed on the last screen.  You will need to center the QR code in the box displayed on your phone's screen.

9. If successful, your phone will return to the added accounts list and display your newly added account.

9. Go back to the Office 365 portal window on your computer. Click next.

10. Then, click Next again. 

11. It will ask you to check your mobile device for a notification.

11. The Microsoft Authenticator App on your phone should now display an entry labeled "CareATC" with a 6 digit code underneath that changes every 30 seconds. You can pull down to Check for Notifications. Approve/Deny the request sent to your mobile phone.

11. At this point you have enrolled in multi factor authentication for Office365. Click done.

12. At this point, when you try to log into Office365 web portal you will be prompted to enter your username and password, or the Approve/Deny prompt on.  The Approve/Deny prompt will be in the Microsoft Authenticator app on your phone. 

This walk-through is how to install the Two Factor Authentication on your mobile device. See the link below that corresponds to your type of device for instructions on how to gain access to email on a mobile device.