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....following order: Attachments Cc Subject var fileName = @"test...RenderingHeaders . Add ( MhtTemplateName . Cc ); opt . RenderingHeaders . Add...