Microsoft Online Services, this is targeted for Microsoft partners. It helps partners to closely work with Microsoft, deliver rich and satisfying customer experiences, whether on-premise or hosted.
By using Microsoft Online Services, partners are able to more simply develop and deliver custom fit solutions that help businesses to realize their full potential.
For more information, you can click here to get more details.
Exchange Online, this is a hosted enterprise messaging solution based on Microsoft Exchange Server 2007. It extends rich capabilities to your users with a single sign-on, including e-mail, shared calendaring, and contacts etc, along with business continuity and disaster recovery with cloud-based antivirus and spam filtering and high data center security standards.
Click here to view the demo or either you can for 30 day trial.