To use the sample add-ins. Close Outlook 2007. In the My Documents\Visual Studio 2005\Projects\ SolutionName folder, open the SolutionName solution. Select AddinName Setup in Solution Explorer. Select Rebuild AddinName Setup on the Build menu.se the sample add-ins to explore the new object model features in Outlook 2007. These samples provide you with working code to get you started with creating a new solution or converting an existing solution.