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....be inserted using Apache POI API Java Workbook wb = new XSSFWorkbook...setCellValue ( "F4" ); Drawing drawing = sheet . createDrawingPatriar...