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....Instantiate a new workbook Workbook workbook = new Workbook ( dataPath...dataPath + "workbook.xls" ); // Get the first worksheet in the book...