2.0 http://www.w3.org/2005/Atom High Code APIs & Free Apps for Powerpoint File Automation – Convert PPSX to XPS using C#https://products.aspose.com/slides/net/conversion/ppsx-to-xps/Recent content ......Code APIs & Free Apps for PowerPoint File Automation – Convert...Code APIs & Free Apps for PowerPoint File AutomationHugo -- gohugo...