Change Two-Factor Authentication in Microsoft 365/Office 365

Two-Factor Authentication (2FA) is an essential security measure that adds an extra layer of protection to your Microsoft 365/Office 365 account. By implementing 2FA, you enhance the security of your sensitive data by requiring an additional verification step beyond just a password. However, there may be instances where you need to change your 2FA method. This detailed guide will walk you through the process of changing your Two-Factor Authentication method in Microsoft 365/Office 365.

Whether you’re switching from SMS-based authentication to an authenticator app or transitioning from one authenticator app to another, this article will provide step-by-step instructions and best practices to ensure a smooth and secure transition.

It’s important to note that the specific steps may vary slightly depending on the version of Microsoft 365/Office 365 you are using and the authentication methods available to you.

However, the general principles and procedures covered in this guide will serve as a valuable reference regardless of the specific configuration of your account. So, if you’re ready to learn how to change your Two-Factor Authentication methods in Microsoft 365/Office 365, let’s dive into the step-by-step process and explore the various options available to you.

Instructions for Changing Two-Factor Authentication Methods

In this section, we will provide detailed step-by-step instructions for changing your Two-Factor Authentication method in Microsoft 365/Office 365. We’ll cover various scenarios, including:

1. Switching from SMS-based Authentication to an Authenticator App
2. Transitioning from one Authenticator App to Another

Method 1: Switching from SMS-based Authentication to an Authenticator App

Step1: How to disable SMS/Call-based authentication:

Log in to your Microsoft 365/Office 365 account using your current authentication method. Navigate to the security settings or account settings section, usually found under your profile or user settings.

On the My Account page, click on “Update Info” under the Security info

Under the Security Info page, you will find all the authentication method enabled on your account. To change the phone number for SMS/call-based authentication, click the “Change” button or click the “Delete” button to disable SMS/call-based authentication.

Follow the provided instructions to modify or disable SMS/call-based authentication for your account.

Step 2: Setting up and configuring an authenticator app

Install a reputable authenticator app on your mobile device, such as Microsoft Authenticator, Google Authenticator, or Authy. Open the authenticator app and follow the provided instructions to set it up.

In your Microsoft 365/Office 365 account’s security settings, click on “Add sign-in method” to add a new authentication method.

Choose the “Authenticator app” option and follow the on-screen instructions.

Scan the QR code displayed on the screen using your authenticator app.

The app will generate a verification code. Enter this code into the designated field in your Microsoft 365/Office 365 account to complete your sign-in.

Step 3: Enabling the new authentication method and verifying its functionality:

Save the changes to your Microsoft 365/Office 365 account settings after you have set up the authenticator app and entered the verification code.

Log out of your account and then try to log back in to see how the new login method works. When asked to verify your identity, select “Use a verification code“.

Open your authenticator app and enter the verification code that the app produced. If the verification works, your new way of login is activated and can be used.

Method 2: Transitioning from one Authenticator App to Another

Please see How to setup Microsoft Authenticator, How to use a Fido Certified U2F Key, howto roll out Multi-factor Authentication – Recommendations, and How to Perform Self-Service Password Reset Enrolment – Pleasant Password Manager.

Step 1: Disabling the current authenticator app

Open your current authenticator app. Navigate to the settings or account section within the app.

Look for the option to disable or remove the app’s connection to your Microsoft 365/Office 365 account.

Follow the provided instructions to disable or remove the app.

Step 2: Setting up and configuring the new authenticator app

Install the new authenticator app on your mobile device. Open the new authenticator app and follow the provided instructions to set it up.

In your Microsoft 365/Office 365 account’s security settings, click on “Add sign-in method” to add a new authentication method and choose the “Authenticator app” option and follow the on-screen instructions.

Scan the QR code displayed on the screen using your new authenticator app.

The app will generate a verification code. Enter this code into the designated field in your Microsoft 365/Office 365 account settings.

Step 3: Verifying the new authentication method:

Save the changes to your Microsoft 365/Office 365 account settings after you have set up the authenticator app and entered the verification code.

Log out of your account and then try to log back in to see how the new login method works. When asked to verify your identity, select “Use a verification code“.

If the verification is successful, your new authenticator app is now linked to your Microsoft 365/Office 365 account.

Conclusion

By following the steps outlined above, you’ll gain the knowledge and confidence to change your Two-Factor Authentication method in Microsoft 365/Office 365 securely. Taking control of your account’s security settings will provide peace of mind and ensure the highest level of protection for your valuable data.