Where can I find the schema (XSD) for a .csproj file

The csproj files are in fact MSBuild files. The xsd for those can be found here:

%windir%\Microsoft.NET\Framework\[framework version]\Microsoft.Build.xsd

Reproduced in: https: //www.cnblogs.com/zhangchenliang/archive/2012/04/01/2428399.html