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....paper size as it has been set in page setup of the worksheet. Please...PaperLetter: 8 . 5x11 . 0 Calculate Page Setup Scaling Factor...