Outlook MAPI Reference

Applies to: Outlook 2013 | Outlook 2016

Welcome to the Microsoft Outlook Messaging API (MAPI) Reference. MAPI provides the messaging architecture for Microsoft Outlook 2013 and Outlook 2016. MAPI for Outlook provides a set of interfaces, functions, and other data types to facilitate the development of Outlook messaging applications. Applications and transports use MAPI to manipulate email data, to create email messages and the folders to store them in, and to support notifications of changes to existing MAPI-related data.


If you are new to developing solutions for Outlook, see Selecting an API or technology for developing solutions for Outlook to identify the APIs and technologies that are most appropriate for your needs.

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