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.... MsgLoadOptions # Load Eml, html, mhtml, msg, and dat files mail_message...load ( data_dir + "description.html" , HtmlLoadOptions ()) MailMessage...