Software Requirements

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Software Requirements

The dynamic-link libraries for CDO 1.2.1 (CDO.DLL) and CDO 1.2.1 Rendering (CDOHTML.DLL) are MAPI client object libraries. As such, they require MAPI (the version of MAPI32.DLL installed with Microsoft® Exchange Server version 5.0, or above) and service providers—for example, the same service providers as with Microsoft Exchange Server. CDOHTML.DLL and CDO.DLL are included with Microsoft Exchange Server and are installed on the server when the installation option Active Server Components is selected. CDO 1.2.1 Rendering (CDOHTML.DLL) is intended for server-side use only.

Microsoft® Outlook™ 98 installs the CDO 1.2.1 libraries. To enable client applications to use CDO 1.2.1, install Microsoft Outlook 98. For server applications, install Microsoft Exchange Server version 5.5.

Note   CDO works with Microsoft Outlook, but CDO.DLL is not installed with the Microsoft Outlook 97 setup program.