MAPI
Messaging Application Programming Interface (MAPI) has been the default protocol for on-network Outlook connectivity since its release. All versions of Outlook as well as some third-party messaging applications support connecting to Exchange through the MAPI protocol.
Importance Rating. How important is MAPI for Outlook or other e-mail–enabled applications in use in the organization? Record the importance of this functionality in the table below.
Solutions Rating. The list below compares the specific functionalities of each solution:
Standard offering. No MAPI connectivity available.
Dedicated offering. Allows for MAPI connectivity from the organization’s corporate network to Exchange Online on request. Exchange Online does not support MAPI ...