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....PresentationEx object that represents a PPTX file Presentation pres = new...Presentation ( "presentation.pptx" ); //Instantiate the TiffOptions...