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...."End Sub" ; //Save the workbook workbook . Save ( output , SaveFormat..., 6 , 3 ); //Save the workbook workbook . Save ( output ); Enumeration...