Level 1 is the minimum data protection configuration for an enterprise mobile device. This configuration replaces the need for basic Exchange Online device access policies by requiring a PIN to access work or school data, encrypting the work or school account data, and providing the capability to selectively wipe the school or work data. However, unlike Exchange Online device access policies, the below App Protection Policy settings apply to all the apps selected in the policy, thereby ensuring data access is protected beyond mobile messaging scenarios.