Exchange Store Schema
The Exchange store schema consists of properties that define all resources in the store, including e-mail messages, appointments, folders, and contacts. The Exchange store includes numerous predefined properties you can use in your applications. You can also extend the Exchange store schema by defining your own custom properties. This section lists the predefined properties in the Exchange store schema and describes how Messaging Application Programming Interface (MAPI) content classes map to content classes in the Exchange store.
This section contains the following topics: