Email and Calendaring

Email and calendar services, including LionMail powered by Google, and Microsoft Exchange.

CUIT provides email service to the Columbia University community of students, faculty and staff. The service includes automatic backups of mail stored on our servers, support for secure protocols for sending and retrieving mail, and extensive spam-filtering.

CUIT has two mail systems:

  • LionMail – Columbia’s email system powered by Google with unlimited storage.
  • Exchange – Fee-based Microsoft Outlook email system used mainly by administrative staff with 2GB of storage. Additional space is available on the Exchange server at a cost (see below).

All Columbia University Morningside students, faculty and staff have LionMail. CUMC students, faculty and staff use the CUMC email system. CUMC affiliates do not use LionMail.

Pricing Information

A new CUIT Exchange shared mailbox or calendar is $16.45/month.


Your account will expire a short time after Human Resources removes you from their database of current employees. For staff, this is usually from 1-2 weeks and for faculty, 4-5 weeks.

Please note that this information does not apply to officers who retire. Retirees retain access to their email accounts.

After your account expires, we cannot forward your mail. We can, however, install an auto-reply to inform senders of your new e-mail address. Before your account expires you should make sure to download any mail or files you wish to keep from your account to a personal computer.

When you are ready to have an auto-reply installed, submit a ticket to the CUIT Service Desk with your requested message. The auto-reply will be installed within three days of receipt of your request. Regardless of when your account actually expires, please don't submit the request until you are ready. The auto-reply will remain in effect for up to six months after you request it.

Note: Only one request for an auto-reply is necessary per account. This action does not unsubscribe you from any mailing lists whose addresses do not end in