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....PresentationPart ; // Get the existing slide master part. SlideMasterPart...slideMasterPart ); // Get the new slide master part. SlideMasterPart...