On the top navigation panel, click users.
Select a user, then click user actions.
User actions page
The user actions page enables you to change a user's service settings from the organization site control panel. Click the links on this page to perform service-related tasks for each of the services enabled for the user.
This page is available only if a service is enabled for the user and if that service has settings you can change.
For more information about user actions for services, click the links below to open the service-specific Help.
Hosted Exchange actions
Managing distribution list membership
Managing email addresses
Managing delivery restrictions
How to get to the user actions page