title: Why a file starting with ~$ is created when opening a word document?
body: <p>We all might have noticed the creation of a file named <code>"~$filename.docx"</code>(hidden) when opening <code>filename.docx</code> using MS Word</p>
  
  <p><strong>What is the purpose of this file?</strong></p>
  
  <p><strong>Why is it created and what does it contain?</strong></p>