title: To open a visual studio 2013 project with visual studio 2010
body: <p>I need to open a Visual studio 2013 project  with Visual studio 2010. It is possible ?
  Thanks.</p>
  
  <p>I tried  but  It generate  a compatibility error.</p>
  
  <p>my project is a MVC4 solution</p>
  
  <p>thanks a lot for yours answers</p>