How to setup multi-factor authentication in Office 365

In this post, we’ll see how we can enable multi-factor authentication for Office 365. The concept of multi-factor authentication has be become increasingly popular nowadays for bringing the additional layer of security hardening. Multi-factor authentication is a form of authentication, which enforces more than one form of authentication to verify the legitimacy of the transactions performed by a user. Nowadays, the most common form of second-form of authentication in to validate the Authorization code by sending it to the user’s mobile devices.

Let’s see the steps to enable multi-factor authentication in Office 365.

Log in to Office 365 admin portal, go to Users –> Active Users.


Click setup and you will be presented with the following screen.


Click ‘Enable’ link on the bottom right and the following screen will pop-up.



Click ‘enable multi-factor auth’.

Now you will get a confirmation that multi-factor authentication is enabled for selected accounts.

When I log in next time, it asks for me to setup the second form of authentication.


Click ‘Set it up now’.


It sends a 6 digit verification code to the registered mobile number. You are all set for multi-factor authentication enabled Office 365 tenant. This wraps up my quick how-to article.

At this point of time, the multi-factor authentication is available for Office 365 Midsize Business, Enterprise plans, Academic plans, Nonprofit plans, and standalone Office 365 plans, including Exchange Online and SharePoint Online. It is not available for Office 365 Small Business and Office 365 Dedicated plans as of now. The detailed Faqs about multi-factor authentication is available here. 

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