How to Set Up Two-Factor Authentication (2FA) for Microsoft 365

Step 1: Go to Office.com

Open your web browser and go to:
https://www.office.com

👉 Click Sign in and enter your work email address and password.

Step 2: Begin Security Setup

After signing in, you will see a prompt saying that more information is required.

👉 Click Next to start the setup process.

Step 3: Choose Your Authentication Method

You will be asked how you want to verify your identity.

👉 Select “Authenticator app” (recommended)

👉 Click Next

Step 4: Install Microsoft Authenticator App

If you don’t already have the app:

Step 5: Sign In to the App

Open the Microsoft Authenticator app on your phone.

👉 Tap Sign in
👉 Enter your work email address and password
👉 Complete any prompts shown on screen

Step 6: Set Up Your Account in the App

Open the Microsoft Authenticator app on your phone.

👉 Tap + (Add Account)
👉 Select Work or school account
👉 Choose Scan a QR code

Step 7: Scan the QR Code

Back on your computer:

👉 Click Next to display a QR code
👉 Use your phone to scan the QR code shown on your screen

Step 8: Approve the Test Notification

Once scanned:

👉 A test notification will be sent to your phone
👉 Open the Authenticator app and Approve the request

Step 9: Complete Setup

Back on your computer:

👉 Click Next after approving the notification
👉 You should see a confirmation that setup is complete

Step 10: Finish

👉 Click Done

You’re all set! 🎉
From now on, when you sign in, you’ll be asked to approve a notification on your phone.