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.... PDF PDF (Portable Document Format)...Visio 2003/2007/2010 VTX. Exporter Export diagrams (VSD, VSDX, VSS...