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....xls" ; //Open the excel file. excelApp . Workbooks . Open ( myPath...//Instantiate a new Workbook. //Open the excel file. Workbook workbook...