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.... Worksheets [ 0 ]; //Inserting a row into the worksheet at...workbook . Save ( MyDir + "Inserting Row.xls" ); //Closing the...