User Guide to Enable Multi-Factor Authentication (MFA) in Microsoft 365

Setting up Microsoft 365 Multi-Factor Authentication (MFA) bolsters security by requiring an additional layer of verification, safeguarding your account from hackers and unauthorized access.

📱 Install the Microsoft Authenticator App on your mobile device

🔐 Activate MFA

  1. Open this document on your primary work computer.

  2. Follow this link and sign in using your new email account credentials:

  3. Follow the instructions on the screen to confirm your email account and password (see screenshots below for examples).

  4. When prompted, open the Microsoft Authenticator app on your mobile device, and click the + icon to add a new account.

  5. Choose “Work or School

  6. Position the QR code on the screen within the boxes of the camera view.

    • Depending on your phone model, you may need to allow access to the camera.

  7. Continue through the prompts to test sign-in from your mobile device.

  8. MFA is now configured for your primary work email account. Great work 👏

🚦 In the future, you'll occasionally be prompted to confirm sign-ins with MFA.

  • This may happen from Outlook or other Office applications, from apps on your mobile device, or when accessing the Office 365 webmail interface.

  • By default, the confirmation should be a push notification. A prompt on-screen will ask you to confirm sign-in. You should receive a notification on your mobile device asking to “Approve” or “Deny” sign in.

    • Choose “Approve” if you are receiving a prompt for one of the scenarios listed above.

    • Choose “Deny” if you are not aware of any legitimate sign-ins.

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