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....communication protocols such as IMAP, SMTP, POP3, and Microsoft Exchange...messages using IMAP Paging Support in Email clients ( IMAP , EWS Listing...