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Open the app again and if you are not prompted to sign in, go to File > Office Account and click “Sign In”. From there you will open any Office app, such as Outlook, and go to File > Office Account and then Click “Sign Out” and then close the app.
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If you do see the value of Clear, you will want to check your version of Office and search for any updates. When using Legacy authentication, the Authn column in the Outlook Connection Status dialog shows the value of Clear. The Authn column in the Outlook Connection Status dialog shows the value of Bearer when Modern Authentication is enabled. If you are using the Outlook client on Windows you can also manually check the connection status dialog box, by CTRL + right-clicking the Outlook icon in the system tray, and choosing Connection Status. Legacy or Basic Authentication will present a simple credential window like below. Modern Authentication will display a web-based login page (like the example below) and will require Multi-Factor Authentication. One way is to check your Authentication dialog box by signing out and then signing back into the application. Microsoft outlines a few methods you can try. If you are still unsure, there are a few ways you can check if you are using modern vs. If you run into any problems, please contact ITS at You can also use Webmail ( ) as a backup to access your email if you have any problems. If you are using macOS, we recommend upgrading to Office for Mac 2016 or later. Office 2016 or later supports modern authentication by default. In addition, be sure you are using an updated version of Microsoft Office.
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Legacy (or basic) authentication is an old protocol to allow users to login to Microsoft applications/email.
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