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....ASCII or ISO/IEC 8859-1 - Encoding.GetEncoding(28591)...should use Encoding.ASCII or ISO/IEC 8859-1 - Encoding.GetEncoding(28591)...