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" , Export . SaveFormat . Pptx ); } Property...pres . Save ( "out.pptx" , Export . SaveFormat . Pptx ); } Property...