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....//Creating an Workbook object with an Excel file path Workbook workbook...workbook = new Workbook ( dataDir + "pivot.xlsm" ); //Saving the Excel...