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....Words supports DOC, DOCX, RTF, HTML, OpenDocument, PDF...formats: (X)HTML, MHTML, SVG, Markdown, PDF, XPS, EPUB, PNG, TIFF...