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....xlsx" , sheet_name = "Sheet1" , listobjectindex...new ( name : 'Book1.xlsx' , sheet_name : 'Sheet1' , listobjectindex...