If your organization is using multi-factor authentication (MFA) for Microsoft 365, the easiest verification method to use is the Microsoft Authenticator smart phone app. It's just one click instead of typing in a 6-digit code. And if you travel, you won't incur roaming fees when you use it.

Download and install Microsoft Authenticator app

Set up the Microsoft Authenticator app

Choose the mobile app

Open a browser on your computer and go to portal.office.com. Sign in to your Office 365 for business account.

Use these steps if you see this screen:

Click Set it up now.
  1. Click Set it up now.

  2. Choose Mobile app from the dropdown.

  3. Make sure "Receive notifications for verifications" is selected. Click Set up.

Use these steps if you see this screen:

Choose Settings
  1. Click here.

  2. In the drop down box under What's your preferred option, choose Notify me through app.

  3. Check the box for Authenticator app or Token, and then click Set up Authenticator app.

Related Topics

Set up multi-factor authentication for Microsoft 365

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