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....Workbook (); //Get the first worksheet. $sheet = $workbook -> getWorksheets...( 0 ); //Set the name of worksheet $sheet -> setName ( "Data"...