Learn how to create , modify , view and filter , and delete mailboxes.

Use contacts to represent people outside your organization in the shared address book.

Make it easy for people to reserve conference rooms and equipment.

Create mail users in the cloud to represent mailboxes in your on-premises Exchange organization.

Use proxy addresses so users can receive messages sent to different e-mail addresses. You can also change the primary e-mail address on any user's account

Learn about the maximum size for e-mail messages and mailboxes, the maximum number of recipients per message, and the guidelines for managing recipient rate limits.

Allow a group of users to view and send e-mail from a common mailbox.

Use single item recovery to recover e-mail messages that users have accidently purged from their mailbox.