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...."=Sum(A1:A3)" ; //Set the font bold in cell A4 cellA4 . Font . Bold = true...= "=Sum(A1:A3)" ; //Set the font bold in cell A4 //and set the...