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, and other formats ( see...(XLS), MS Excel 2007-2013/2016 (XLSX, XLSM, XLSB, etc.), Open Office...