Microsoft Exchange Online

1. Default 5-GB mailbox per each user; mailboxes can be configured up to 25 GB
2. E-mail, shared calendar, shared tasks, and contacts
3. Spam filtering and antivirus capabilities via Microsoft Forefront Online Security for Exchange
4. Support for Microsoft Office Outlook®, Outlook Anywhere, and Outlook Web Access
5. Support for Windows Mobile® 6.0 devices and other Exchange ActiveSync® 12 devices
6. Low-cost "deskless worker" offer for workers who use a PC and messaging services on a limited basis