Power Apps uses Microsoft Entra ID to handle authentication. The process works in steps:
- The user signs in.
- Entra ID verifies the identity.
- Then an access token is issued.
This token is used by Power Apps to access services like SharePoint, Dataverse or SQL Server. For example, when a user opens an app connected to SharePoint, Power Apps uses the token instead of asking for credentials again. This keeps the login process secure and avoids exposing user passwords.
