Entries made on your mobile device are updated with the entries on your Exchange account through the process of synchronisation.
An application called Company Directory is also available when you install Mail for Exchange that allows you to search the company Exchange server for employee information (phone numbers, email address, etc). The Company Directory can be installed as a standalone application.
To use Mail for Exchange you need an Exchange email account and your Exchange administrator must have enabled your account for synchronisation. You will also need the following information from your company IT administrator to use Mail for Exchange:
You will also need your mobile access point. You can contact your wireless carrier for this information.
To get started with Mail for Exchange: