Connections > Microsoft Sharepoint Online connection properties > Prepare for authentication
  

Prepare for authentication

You can configure Access Control Service and Microsoft Entra ID authentication types to access Microsoft SharePoint Online. Consider using Microsoft Entra ID authentication to connect more securely to Microsoft SharePoint Online.
Before you configure the connection properties, you need to keep the authentication details handy based on the authentication type that you want to use.

Access Control Service

In Microsoft SharePoint Online, you can register applications in Access Control Service for app-only access, and the admin can restrict site access through the SharePoint admin center.

Microsoft Entra ID

You can use Microsoft Entra ID to securly access and manage SharePoint Online data.