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....conversion to PDF, HTML, TIFF and printing. Ability to build documents...worksheet xmlns = "http://schemas.openxmlformats.org/spreadsheetml/2006/main"...