Instruction:
https://support.microsoft.com/en-us/onedrive/set-up-multi-factor-authentication-for-microsoft-365
Microsoft Authenticator MFA Setup Guide
Step 1 – Sign In to Microsoft 365
1. Open a browser and sign in to Microsoft 365 using your work account.
2. After MFA has been enabled for your account, you will see a message asking for additional security information.
3. Click Next.
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Step 2 – Install Microsoft Authenticator
1. On your mobile phone, install the Microsoft Authenticator app:
o iPhone: Apple App Store
o Android: Google Play Store
2. Open the app after installation.
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Step 3 – Begin Authenticator Setup
1. On the computer, select Microsoft Authenticator as the authentication method.
2. Click Next.
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Step 4 – Add Work Account in Authenticator
1. Open the Microsoft Authenticator app.
2. Tap + Add Account.
3. Select Work or School Account.
4. Choose Scan QR Code.
Screenshot #4: Authenticator app showing:
• "+" Add Account
• Work or School Account option
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Step 5 – Scan the QR Code
1. On your computer, a QR code will appear.
2. Use the Authenticator app to scan the QR code.
3. Wait for the account to be added successfully.
Screenshot #5: QR Code displayed on computer.
Screenshot #6: Authenticator app camera scanning QR code.
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Step 6 – Test Notification
1. Microsoft will send a test notification to your phone.
2. Open the notification.
3. Tap Approve.
Screenshot #7: "Approve Sign In Request" notification in Authenticator.
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Step 7 – Complete Registration
1. After the test is successful, click Next.
2. Click Done or Finish.
Your Microsoft Authenticator registration is now complete.
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Step 8 – Future Sign-Ins
When signing in to Microsoft 365:
1. Enter your username and password.
2. Open Microsoft Authenticator when prompted.
3. Approve the sign-in request.
Screenshot #9: Typical MFA approval request in Authenticator.
