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...."test" ); //Save the file. excelApp . ActiveWorkbook . Save (); excelApp...objSheet , "test" ); workbook . Save ( myPath ); } private static...