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 ( "Here" ); // Add a comment to A1 cell const commentIndex...getComments (). add ( "A1" ); const comment = worksheet . getComments ()...