http://blogs.technet.com/b/drey/archive/2010/02/11/office-2010-tips-and-tricks-thursdays-use-two-versions-of-excel-and-start-saving-disk-space.aspxi haven’t used office 2003 for a while, but this evening i installed it for a demo environment on windows 7.&#160; then i installed office 2010 click-to-run (a virtualized second copy of office built upon the same application virtualization technologyen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/drey/archive/2010/02/11/office-2010-tips-and-tricks-thursdays-use-two-versions-of-excel-and-start-saving-disk-space.aspx#3349976Fri, 13 Aug 2010 17:27:11 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3349976Dan Rey<p>peter - i would imagine you have seen click-to-run for office 2010. &nbsp;the first thing it brings down to the computer is an app-v like program (click-to-run manager) and then streams the rest of the suite to your computer.</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3349976" width="1" height="1">http://blogs.technet.com/b/drey/archive/2010/02/11/office-2010-tips-and-tricks-thursdays-use-two-versions-of-excel-and-start-saving-disk-space.aspx#3312377Fri, 12 Feb 2010 06:48:31 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3312377Markus Voellinger<p>Hello,</p> <p>is this virtualized environment you are talking about included in office or is it really the App-V component? I'm confused, becase you wrote: &quot;a virtualized second copy of office built upon the same application virtualization technology we use in app-v&quot; and that does not sound that you made this with App-V</p> <p>Thanks!</p> <p>Peter Forster, MVP Virtual Machine, Austria</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3312377" width="1" height="1">