Does VSTO 3.0 (using Visual Studio 2008) support both Office 2003 and Office 2007 installed side-by-side on a single development computer so that both Office 2003 and Office 2007 can be targeted (in separate solutions)?
I have seen conflicting information about this.
NO: http://msdn.microsoft.com/en-us/library/bb398242.aspx
Visual Studio Tools for Office does not support installing Microsoft Office 2003 and the 2007 Microsoft Office system (or different versions of the same application, such as Word 2003 and Word 2007) side-by-side on the development computer. To develop solutions for different versions of Microsoft Office, use a different development computer for each version of Microsoft Office.
YES: http://msdn.microsoft.com/en-us/library/15s06t57.aspx
When you install Visual Studio Tools for Office, the primary interop assemblies are automatically installed to a location in the file system, outside of the global assembly cache. When you create a new project, Visual Studio Tools for Office automatically adds references to these copies of the primary interop assemblies to your project. Visual Studio Tools for Office uses these copies of the primary interop assemblies, instead of the assemblies in the global assembly cache, to resolve type references when you develop and build your project.
These copies of the primary interop assemblies help Visual Studio Tools for Office avoid several development issues that can occur when both the 2003 and the 2007 versions of the Office primary interop assemblies are registered in the global assembly cache.”
Has anyone done this and were there any problems?