Set up Multi Factor Authentication in Office 365

For Office 365 MFA authentication, you can either receive a text message, or use an Authenticator app on a mobile device.

Please note that Microsoft are phasing out the text message method, in favour of using the Microsoft Authenticator App. Please see our KB article here, on how to install and use the Microsoft Authenticator app.

Setting up MFA using the Microsoft Authenticator App (recommended)

1. In a web browser, go to https://aka.ms/MFASetup

2. Click ‘Next’ on the below screen.

3. Click ‘Next’ and follow the on-screen instructions.

Setting up MFA using a text message

1. In a web browser, go to https://aka.ms/MFASetup
2. If MFA is enabled, you will see the below screen. Click ‘Next’
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3. Click ‘I want to set up a different method’ at the bottom of the page & select ‘Phone’ from the drop-down box.
4. Make sure ‘Text me a code’ is selected and enter your complete mobile phone number (including the zero at the beginning). Then click ‘Next’.
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5. Enter the 6-digit code you have just received in a text message. Then select ‘Next’ and then ‘Next’
6. You can ignore the ‘App Password’ and proceed to Next.