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....Slides for C++ API: Create an instance of Presentation...Save ( u "output.pptx" , SaveFormat :: Pptx ); return 0 ; } Getting...