Class Libraries & REST APIs for the developers To manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, DeskTop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....Presentation object that represents a PPTX file $pres = new Presentation($dataDir...Presentation($dataDir . "Aspose.pptx"); \# Saving the presentation to XPS...