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....new Workbook (); // Get the Worksheets WorksheetCollection wss =...i = 0 ; i < 50 ; i ++) { Worksheet sheet = wss . get ( wss ....