title: Excluded folders In IntelliJ Idea
body: <p>I am using IntelliJ Idea for Android development and IntelliJ uses a folder named <code>out</code> for putting APK file.</p>
  
  <p>I am also using Mercurial as VCS and when I clone the project the out folder is left out from the cloned directory.</p>
  
  <p>Also folder out is also not shown in the project structure and when I go to Open Module Settings -> Modules the folder is excluded as shown in the image below</p>
  
  <p><img src="https://i.stack.imgur.com/fUcHz.jpg" alt="enter image description here"></p>
  
  <p>Why out folder is excluded and how to include it in VCS (Mercurial)?</p>