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 ); // Access first worksheet. const ws = wb . getWorksheets...setPrintArea ( "B15:E25" ); // Specify image or print options, set one page...