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....getPropertyName(int index)., .remove(String name), .contains(String...IDocumentProperties.getPropertyName(int index)., .remove(string name), .contains(string...