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....ShowCellRange = true ; //Save the workbook workbook . Save ( "output.xlsx"...ShowCellRange = True ' Save the workbook m_workbook . Save ( "output.xlsx"...