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.... PutCellValue ( 2 , 2 , "Offset [2,2]" ); //Save the workbook...table . PutCellValue ( 2 , 2 , "Offset [2,2]" ) ' Save the workbook...