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....Create, edit or convert Excel spreadsheets in your application. Includes... XLS, CSV, PPTX, XPS, EPUB, TEX, HTML, SVG and other formats...