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IT Services, Information Technology Services

University of Colorado Denver

Email and Calendaring

The University's primary Messaging and Calendaring system for Faculty and Staff is Microsoft Exchange 2007. Students use Microsoft's Office 365.

If you are a student, please use this URL for information and support: 

Student support page

For more detailed information on services offered, please click on the corresponding links below:

Compromised Accounts

The above link contains information regarding the automated lockout procedure for compromised accounts.

Supported Email Clients

For PCs we support Outlook 2007, and 2010. For Macintosh we support Entourage 2004, 2008, and Outlook 2011.  Outlook 2003 is no longer supported.

Campus Mailing Lists (Announcements)

IT Services supports the electronic mailing lists ("listservs") listed below. All CU Denver and CU Anschutz faculty and staff who have "" email addresses automatically receive these lists. Use the link above to subscribe to or unsubscribe from a particular list.  If you are sending a message to more than 200 people, you should be using a campus mailing list.

Mailbox Size Limits and Size Management

We have a finite amount of disk space so we limit the size of our mailboxes to 550MB. We also offer a quick reference guide to assist you in managing the size of your mailbox.

Email Remote Connectivity

Web-Based Messaging (Outlook Web Access) – A rich Outlook-like experience from any Internet connected computer with a supported browser provides encrypted access to the inbox, Calendar, powerful search, and the ability to view different types of attachments.

Mailbox and Calendar Creations

Mailboxes for all faculty/staff/students will be created automatically by our identity management system. We also offer Mailboxes and Calendars for employees, sponsored non-employees, and generic/resource accounts (i.e, rooms, equipment, Calendars, mailboxes, etc.).

Encrypted Messaging

University IT Services offers encryption features for both internal and Internet-based messages to protect the confidentiality of messages in transit.

Integrated Security and Anti-SPAM

Our security technologies provide the latest in active messaging protection to stop unwanted spam and viruses from entering our system. Our security technologies provide end-user configurable white and block listing.

Email and Calendaring FAQ:


Select from the menu above to find quick answers to frequently asked questions.

University of Colorado Denver

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