http://blogs.msdn.com/vsto/archive/2008/04/10/deploying-an-office-solution-using-windows-installer-mary-lee.aspxVisual Studio 2008 offers a ClickOnce deployment experience for solutions developed for the 2007 Microsoft Office system. However, if you want to deploy additional files, add extra registry keys, or use SMS, you may still be interested in creating a Windowsen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/vsto/archive/2008/04/10/deploying-an-office-solution-using-windows-installer-mary-lee.aspx#8510582Fri, 16 May 2008 05:04:15 GMT91d46819-8472-40ad-a661-2c78acb4018c:8510582Andrew Coates ::: MSFT<p>While the default mechanism for deploying VSTO v3 Add-Ins is ClickOnce, there there's now also a documented</p> http://blogs.msdn.com/vsto/archive/2008/04/10/deploying-an-office-solution-using-windows-installer-mary-lee.aspx#8541030Fri, 23 May 2008 22:24:21 GMT91d46819-8472-40ad-a661-2c78acb4018c:8541030Sanket<p>I followed the steps you have mentioned. However, while building the setup project I am getting &quot;Rebuild all failed&quot; message without any errors or warnings in the &quot;Error list&quot;. Also,after installing when I go to Excel options on the client machine, and try to check the entry for my add in, it says &quot;runtime error occured while trying to load addin&quot;</p> http://blogs.msdn.com/vsto/archive/2008/04/10/deploying-an-office-solution-using-windows-installer-mary-lee.aspx#8973863Thu, 02 Oct 2008 19:21:33 GMT91d46819-8472-40ad-a661-2c78acb4018c:8973863Office Development with Visual Studio<p>In Deploying an Office solution using Windows Installer , you saw how to deploy Office 2007 solutions</p> http://blogs.msdn.com/vsto/archive/2008/04/10/deploying-an-office-solution-using-windows-installer-mary-lee.aspx#8973867Thu, 02 Oct 2008 19:26:01 GMT91d46819-8472-40ad-a661-2c78acb4018c:8973867Office Development with Visual Studio<p>In Deploying an Office solution using Windows Installer , you read how to deploy document-level Office</p>