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....using IGraphClient: // send ping test messages for ( int i = 0 ; i...user . EMail , "ping" + i , "test body" ); client . send ( MapiMessage...