Choose your Excel Add-in authentication settings for sign-in

To choose your authentication settings:

1. Select Sign In > Authentication Settings.
2. On the Environments panel, choose an environment.
   You can also add or delete an authentication setting.
3. To validate the Connection URL, select Test connection.
   A green checkmark displays if the Connection URL is valid.
   A red exclamation point displays if it's invalid. Check the URL is correct and that your internet connection is active.
4. You can create an authentication setting that uses single sign-on (SSO) by default, toggle SSO authentication right.
5. Select OK to save the authentication setting, or Sign in to save and sign in.