Exchange Server 2013 Client Access Licenses
Exchange Server 2013 – Client Access Licenses (CALs)
As with the Server licenses, the Exchange Server 2013 CALs have also been significantly improved from the previous versions of Exchange. The Exchange Enterprise CAL is available in the same two variants as before; Exchange Enterprise CAL without Services and Exchange Enterprise CAL with Services. The following tables provide a detailed feature breakdown for each CAL edition of Exchange Server 2013:
| Feature | Standard CAL | Standard + Enterprise CAL (with and without Services) |
| E-mail, Calendar, Contacts, and Tasks | Yes | Yes |
| Outlook Web App (Internet Explorer, Firefox, and Safari support) | Yes | Yes |
| Exchange ActiveSync Mobile Access | Yes | Yes |
| Rich Outlook inbox experience, including enhanced Conversation View and Mail Tips | Yes | Yes |
| Apps for Outlook and Outlook Web App | Yes | Yes |
| Site mailboxes | Yes | Yes |
| Role Based Access Control capabilities | Yes | Yes |
| Integration of IM, SMS, and RSS | Yes | Yes |
| Federated Calendar Sharing | Yes | Yes |
| Exchange ActiveSync Mobile Management Policies | Standard | Advanced |
| Journaling | Per Database | Per User/Distribution List |
| Journal decryption | No | Yes |
| Voicemail with Unified Messaging | No | Yes |
| Retention Policies | Default | Custom |
| Integrated Archive | No | Yes* |
| Multi-Mailbox Search | Yes | Yes |
| In-Place Hold | No | Yes |
| Data Loss Prevention (DLP) | No | Yes |
| Outlook PolicyTips with Data Loss Prevention (DLP) | No | Yes** |
| Information Protection and Control (IPC): transport protection rules, Outlook protection rules, IRM Search | No | Yes |
* Archive requires Office 2007 Pro Plus, Office 2010 Pro Plus, or Office 2013 Pro Plus Volume Licensing
** Outlook PolicyTips require Office 2013 Pro Plus Volume Licensing
Customers may buy the standard CAL standalone, but those who want to acquire the Enterprise features as listed above must purchase both the standard and the Enterprise CALs.
The Enterprise CAL with Services has all the above features but also has antivirus and anti-spam service subscriptions from Microsoft Forefront Online Protection for Exchange.
| Feature | Standard CAL | Standard + Enterprise CAL (with Services) |
| Forefront Online Protection for Exchange | No | Yes |