Download Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1 from Official Microsoft Download Center

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Microsoft Exchange Server MAPI Client and Collaboration Data Objects 1.2.1

Starting with Exchange 2007, neither the Messaging API (MAPI) client libraries nor CDO 1.2.1 are provided as a part of the base product installation. As a result, there is functionality missing that many applications depend on. Microsoft Exchange MAPI and CDO 1.2.1 provide access to these APIs