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    Outlook 2010: MAPI Reference

    The Microsoft Outlook 2010 Messaging API (MAPI) Reference provides the messaging architecture for Microsoft Outlook 2010.
    • Version:


      File Name:


      Date Published:


      File Size:

      4.5 MB

        MAPI for Outlook 2010 provides a set of interfaces, functions, and other data types to facilitate the development of Outlook 2010 messaging applications. Applications and transports use MAPI to manipulate e-mail data, to create e-mail messages and the folders to store them in, and to support notifications of changes to existing MAPI-related data.

        The Outlook 2010 MAPI Reference contains documentation for the following MAPI updates:
        • Support for 64-bit Outlook.
        • Fast shutdown support for MAPI clients.
        • A stream structure for field definitions for an Outlook item.
        • An additional 38 tagged properties and named properties.
        • The option to link explicitly to MAPI functions.
    • Supported Operating System

      Windows Server 2003, Windows Vista, Windows XP Service Pack 2

        • This documentation download pertains to the following Microsoft Office applications:
          • Microsoft Office 2010
          • Microsoft Outlook 2010
      • To install this download:
        1. Download the file by clicking the Download link and saving the file to your hard disk.
        2. Double-click the Outlook2010MAPIRef.exe program file on your hard disk to start the setup program.
        3. Follow the instructions on the screen to complete the installation.

        To remove this download:
        There is no removal feature for this download.

        Important: On computers that have security update 896358 installed, you cannot open Compiled Help Module (CHM) files that you download. For more information, see the following Microsoft Knowledge Base articles:

        After you save the file locally, you can view its contents by using one of the following methods:

        1. Double-click the .chm file.
        2. In the Open File-Security Warning dialog box, clear the Always ask before opening this file check box.
        3. Click Open.
        - or -
        1. Right-click the .chm file, and then click Properties.
        2. Click Unblock.
        3. Double-click the .chm file to open it.
      • This package does not collect any personal information.