Important: Email Protecting + DLP package availability depends on your plan. If you want to upgrade to Email Protection + DLP plan, please contact Support.
This article describes how to change Email Protection package.
You can upgrade or downgrade your package at any time by navigating to Services > Email Protection> Package Management.
Important: Downgrading removes all custom policy settings and resets all policies to default settings. Custom settings cannot be restored if you decide to upgrade in the future.