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....pptx" ) as pres : pres . slide_size..."pres-4x3-aspect-ratio.pptx" , slides . export . SaveFormat . PPTX ) Specifying...