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" ); try { pres . save ( new...pres = new Presentation ( "pres.pptx" ); try { XamlOptions xamlOptions...