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.... putValue ( "&=$Headers(horizontal)" ); cells . get ( "A2" )... putValue ( "&=$Year2000(horizontal)" ); cells . get ( "A3" )...