Single sign-on, or SSO, refers to the ability for users to log in just one time with one set of credentials to gain access to different systems, like your computer, Office 365, corporate apps, etc. This helps provide:
Once SSO for macOS is implemented for your company, you will use a single login for your macOS device and Office 365. If you currently use multi-factor authentication when logging into your Office 365 account, you will use it when logging in to your computer as well. Also, password resets will be automated going forward with no need for a technician.
Follow the steps below to login to your computer using SSO for the first time: