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....fileUpload fileUploadListener = "#\{workbook.onFileUpload\}" update = ":ribbon...:intro :sheet" /> Managing workbook As soon as the file is uploaded...