http://blogs.msdn.com/ericwhite/archive/2009/07/02/links-july-1-2009.aspxFrank Rice published an article on MSDN: Programmatically Update Multiple External Data Connections in Excel 2007 by Using Open XML Hadley Pettigrew published an article on OpenXmlDeveloper.org: Use Ruby on Rails to modify an Open XML Document WouterenCommunityServer 2.1 SP1 (Build: 61025.2)