title: Show Excel and Word documents in iOS
body: <p>I know that it's possible to read excel and word (modern)file in xml format, but i would like to know if exists a library useful only to present file content in a view... i don't need edit or manipulate files, i need to create a simple viewer.
  I searched here for Excel/Word iOS viewer and library but i found nothing useful. </p>
  
  <p>What do you suggest ? Is it possible create a views for these kind of file ?</p>