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....StartRow = 1 ; //Specify the start column index. ca . StartColumn = 0...EndRow = 9 ; //Specify the last column index. ca . EndColumn = 2 ;...