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....PreferredTextEncodin - the encoding to be used when saving vCard...VCardContact . Load ( fileName , Encoding . UTF8 ); var opt = new VCardSaveOptions...