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....1997-2003 XLS Excel 2007-2013 XLSX XLSM XLSB XLTX SpreadsheetML...browser renders and refresh the HTML and user is ready to edit the...