External VS2013 build error “error MSB4019: The imported project was not found”

I had the same issue and find an easier solution It is due to Vs2012 adding the following to the csproj file: <PropertyGroup> <VisualStudioVersion Condition=”‘$(VisualStudioVersion)’ == ””>10.0</VisualStudioVersion> <VSToolsPath Condition=”‘$(VSToolsPath)’ == ””>$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath> </PropertyGroup> You can safely remove that part and your solution will build. As Sielu pointed out you have to ensure that the .proj file … Read more