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....set_PreferredTextEncodin(bool) - the encoding to be used when saving vCard...VCardContact :: Load ( fileName , Encoding :: UTF8 ); auto opt = System...