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 = new Presentation ( path + "MyPresentation.pptx" ); try..."PNG" , new java . io . File ( path + "Slide0.png" )); } finally...