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 ); If there...Presentation > ( u "D: \\ Test.pptx" ); // Old slide size float...