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....popular visio (VSD, VSDX, VSDM, VSSX, VSTX, VSTM, VDX, VTX, VST,VDW)...