KB Article: http://support.microsoft.com/kb/2533378

INTRODUCTION

Consider the following scenario:

  • You insert an Enhanced Metafile (EMF) picture in to a presentation in Microsoft Office PowerPoint 2007.
  • You set the Zoom level to more than 100%.
  • You change any parameter of the EMF picture in the Format Picture window.


In this scenario, the EMF picture displays unclear.