title: how to split a *.pptx file into multiple slide in visual studio 2013 by the help of C#?
body: <p>I am able to split a file when the extension is ".ppt" by using  the <code>Microsoft.office.interop.powerpoint.presentation.slide export</code> method  but for the pptx files it is not working.</p>
  
  <p>Any help?</p>