ADFS authentication is commonly used by SharePoint Online (Office 365) or on-premise instances which are secured by a 3rd party IAM solution. Your username can take the format of an email address or a domain login when prompted for login credentials.

Additional Configuration

To specify ADFS authentication, set the authenticationType property to ADFS in your spgo.json file, or by selecting the “ADFS” option when configuring your local environment with the SPGO> Configure Workspace command.