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.... C# //Create workbook object Workbook workbook = new Workbook...EntireContent ; Cell foundCell = null ; object obj = 20 ; //Find 20 which...