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....DOCX, RTF, HTML, OpenDocument, PDF, XPS, EPUB and other formats...allows exporting Excel® files to PDF, XPS, HTML, MHTML, Plain Text...