title: Can I open a project created with Xcode 11, with Xcode 9?
body: <p>Can I open a project created with Xcode 11, with Xcode 9?</p>
  
  <p>If I build the project with Xcode 11, can I open it with Xcode 9 afterwards?</p>
  
  <p>iOS target: 10.0</p>
  
  <p>EDIT:
  I saw now this setting in Xcode: is this the answer to my question?</p>
  
  <p><a href="https://i.stack.imgur.com/Eror3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Eror3.png" alt="enter image description here"></a></p>