It included support for sending calendar invitations using its Exchange Web Service (EWS) client and introduces a new feature where the ImapClient API has been enhanced for moving a message from one folder to another. It enhanced the API's IMAP client for searching messages with paging support simultaneously and saving messages as Microsoft Office Template (OFT) file. It improved Independent implementation of Paging Support in Email Clients and Setting TimeZone Support for EWS Client.

It includes a new feature of detecting file format of provided email message file. It also introduced a feature for exporting message data to html format in one of the earlier releases. This month's release further enhances this feature by providing the capability of writing message headers to html output. Moreover, it also provides the capability to sign messages with the option to detach signature before sending. This month release also fixes a number of bugs that were reported by customers.

It includes support for OST 2013/2016 Formats and Paging Support for Listing Appointments from Exchange Server. This month's release also includes a new feature of manipulating attachments in messages with RTF body. Moreover, it also adds Managing Outlook MSG Attachments in Messages, Paging Support for Listing Message using IMAP, Getting Specific Contact from Exchange Server, Reading Complete Embedded Message from Attachment and many more.

It supports Working with Distribution Lists on Exchange Server inside .NET Apps. It also supports Creating or Formatting Forward and Reply Messages as well as Getting Exchange Message Summary Information from Message URI. This month's release an important issue, the MailMessage API takes a lot of memory and considerable CPU utilization, resulting in improvement of the API performance. This month's release also fixes a number of bugs that were reported with our last month's release.