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....head > < body > < h1 > Change Comment Font Color Example </ h1 >...putValue ( "Here" ); // Add a comment to A1 cell const commentIndex...