The built-in mail app doesn’t match for the standard email client and also lack of Outlook support on Windows RT, although microsoft are developing on Outlook RT. If you are looking for a way to get push access to Outlook or Exchange, email on your Surface Pro/RT, this app called TouchDown does the job. It is best selling Exchange ActiveSync email client for Android and iOS, offers a solution for Bring your own device (BYOD) email, and now available for Windows 8 and Windows RT.
TouchDown app not only serves as a client of Microsoft Exchange Server, but also syncs your Exchange-based Outlook data like tasks, calendar, contacts, email, and notes onto your device. For enterprise security, it supports exchange activesync policies, such as PIN, Remote Wipe, SSL, encrypte your data and attachments.
TouchDown is similar to Outlook and optimized for the larger screen. The configurability is one of the best aspects and you are able to can choose which function buttons to display on the screen.
There are many great features, such as Today view provides a preview of your day, filtering, multiple calendar views, multiple profiles support. One limitation is that you can not view attachments on tasks