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....ApplicationClass xl = new Excel . ApplicationClass (); //Create a new Workbook... Value , "Test" ); } //Save New Workbook wb . SaveCopyAs ( "C:\\Test_Range...