http://blogs.msdn.com/b/eric_carter/archive/2006/11/10/getting-ribbon-xml-intellisense-in-vsto-2005-se.aspxHere's a tip--to get Ribbon XML Intellisense working in VSTO 2005 SE, copy the file \program files\microsoft visual studio 8\Xml\Schemas\1033\CustomUI.xsd to the folder C:\program files\microsoft visual studio 8\Xml\Schemas\ Happy Ribbon Hackingen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/eric_carter/archive/2006/11/10/getting-ribbon-xml-intellisense-in-vsto-2005-se.aspx#1919853Tue, 20 Mar 2007 17:44:10 GMT91d46819-8472-40ad-a661-2c78acb4018c:1919853Pranav ... Blogging<p>This is extracted from a post by Eric Carter titled Getting Ribbon XML Intellisense in VSTO 2005 SE Here's</p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=1919853" width="1" height="1">http://blogs.msdn.com/b/eric_carter/archive/2006/11/10/getting-ribbon-xml-intellisense-in-vsto-2005-se.aspx#1138482Fri, 24 Nov 2006 12:06:37 GMT91d46819-8472-40ad-a661-2c78acb4018c:1138482Mike Ormond's WebLog<p>To get intellisense in your Ribbon XML - see this entry in Eric Carter's blog . Saved me a lot of hair-pulling</p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=1138482" width="1" height="1">http://blogs.msdn.com/b/eric_carter/archive/2006/11/10/getting-ribbon-xml-intellisense-in-vsto-2005-se.aspx#1054153Fri, 10 Nov 2006 15:48:14 GMT91d46819-8472-40ad-a661-2c78acb4018c:1054153XL-Dennis<p>Eric,</p> <p>Good! Now we only want a smooth solution to add PIA and VSTO to VSTO setup projects like many other pre-requisities packages.</p> <p>Kind regards,</p> <p>Dennis</p><div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=1054153" width="1" height="1">