http://developers.de/blogs/damir_dobric/archive/2010/07/30/preventing-of-security-warnings-in-outlook-part-2-of-2.aspxSince release of Outlook 2010, developers have no more possibility to use use CDO and related libraries. For long time, these libraries have been smart simplification of MAPI, which is known as very complex and developer unfriendly. More over since releaseenCommunityServer 2008 SP1 (Build: 30619.63)http://developers.de/blogs/damir_dobric/archive/2010/07/30/preventing-of-security-warnings-in-outlook-part-2-of-2.aspx#392305Wed, 31 Oct 2012 13:00:09 GMT7e491611-45ad-4dae-a68f-c4cb64439510:392305Elena<p>Thanks a lot, I had spent 2 hours trying to find the solution and now it works with Windows 2008 R2 and Office 2007</p> <div style="clear:both;"></div><img src="http://developers.de/aggbug.aspx?PostID=392305" width="1" height="1">http://developers.de/blogs/damir_dobric/archive/2010/07/30/preventing-of-security-warnings-in-outlook-part-2-of-2.aspx#303100Wed, 09 May 2012 16:39:40 GMT7e491611-45ad-4dae-a68f-c4cb64439510:303100Rob<p>&quot;What about Outlook 2010 x64. This registry key is not available there.</p> <p>I just added the key and it seems to work.</p> <div style="clear:both;"></div><img src="http://developers.de/aggbug.aspx?PostID=303100" width="1" height="1">http://developers.de/blogs/damir_dobric/archive/2010/07/30/preventing-of-security-warnings-in-outlook-part-2-of-2.aspx#271264Tue, 31 Jan 2012 02:52:40 GMT7e491611-45ad-4dae-a68f-c4cb64439510:271264Cham<p>What about Outlook 2010 x64. This registry key is not available there.</p> <div style="clear:both;"></div><img src="http://developers.de/aggbug.aspx?PostID=271264" width="1" height="1">