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....stream , true ); // Add a new worksheet. WorksheetPart newWorksheetPart...newWorksheetPart . Worksheet = new Worksheet ( new SheetData ());...