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 > Page Setup Example </ h1 > < input...worksheets . get ( 0 ); // Access page setup as a property const pageSetup...