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13-Feb-2023, Please Note:  Effective March 1, Slack updates are required for older Browser, OS, and App versions.  More details at Slack's support lifecycle.

27-Jan-2023, Slack workspace migrations have begun to the departmental Enterprise Grid. As workspaces are migrated you'll see a prompt to sign in with WebAuth (NetID). UA Slack users can help the migration process in advance by updating their workspace profile(s) so that their email is Having a single email/login going forward allows for cross-workspace channels & search, and Grid restores the history that would have been lost for "free" level workspaces. Non-UA users will continue to login with their email & password. More info online:

• On Dec 19th, UITS renewed the contract with Microsoft. As a result, email forwarding stopped for some accounts. Users who are forwarding email should verify that their forwarding settings did not change around Dec 20th.
Users who had chosen in the past to forward their directly to their Gmail are kept on a list. Because of that, information email sent to is being forwarded. But, email sent to at is not. Please check that your Microsoft Exchange email is being forwarded.

• Effective on 01-Mar-2023, University-provided Google storage accounts will be limited to 15GB.
Read about that here:
If you have data on your Google Drive/Photos/Docs account that exceeds this capacity, download that data immediately and consider renting storage from UITS.
For more information, head to

• Effective IMMEDIATELY, the Computer Support email address is no longer in service.
For all Computer Support inquiries, please submit a ticket to

For the public
For Public

Public events include our Monday Night Lecture Series, world-reknowned Astronomy Camp and Mt Lemmon Sky Center.

For Students

A good place to start if you want to become an undergrad major or grad student, or need to find our schedule of classes.


For Scientists
For Scientists

Find telescopes and instruments, telescope time applications, staff and mountain contacts, and faculty and staff scientific interests.