Explanation: After you delete an app registration, the app remains in a suspended state for 30 days. During that 30-day window, the app registration can be restored, along with all its properties. Box 1: App1, App2, App3, and App4 Box 2: App roles, Users and groups, client secrets, and Self-service https://learn.microsoft.com/en-us/entra/identity-platform/howto-restore-app