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....ImageFormat (); // Instantiate a new workbook with the path to an Excel...Excel file $book = new Workbook ( $dataDir . "MyTestBook1.xls" );...