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....FilePath + "Image Markers.xlsx" ; //Get the image data. byte []...WorkbookDesigner (); //Open the temple Excel file. designer . Workbook =...