CDO 1.2.1 will no longer be provided as a part of the install of Outlook 2007 and later versions. As a result, there is functionality missing that many applications depend upon. CDO 1.2.1 is a package providing access to Outlook-compatible objects through a COM-based API.
Promodag version 7 or earlier needs CDO in order to run content reports. You can download it from the microsoft site: http://www.microsoft.com/downloads/details.aspx?familyid=2714320d-c997-4de1-986f-24f081725d36&displaylang=en