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....“Hello World” phrases in the worksheet and replaces them with “Goodbye...standalone = "yes" ?> \ - < worksheet xmlns = "http://schemas.openxmlformats...