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 Workbook object. //Open an excel file. Workbook workbook...workbook = new Workbook ( "Book1.xls" ); //Specify XOR encryption type...