title: React: File preview for PFD/docx/xls/jpg
body: <p>How do I show a file preview for PFD/docx/xls/jpg files using React.js or web?</p>
  
  <p>This question has been asked before but no one has answered, so I'm trying to get more attention:
  <a href="https://stackoverflow.com/questions/41500962/react-file-preview-firebase">React File Preview (FIREBASE)</a></p>
  
  <p><a href="https://stackoverflow.com/questions/6734037/file-preview-for-web">File preview for web</a></p>
  
  <p>Someone please answer.</p>