Alumni Emails


To Log In:
Your Email address is:

Q. What will transfer over?
A.  Unfortunately, you will need to copy and move messages from the old server to the new Office Microsoft 365 account. Your signatures and forwarding rules will need to be reconfigured.
Q. What happens if I do not log in before the deadline provided to me?
A. Your temporary password will expire. To reset your password after this date, please call the Caltech Alumni Association office at (626) 395-6592.

Q. I typed in my password several times and still cannot log in.
Please make sure you are using your email address. If it is still not working, please try logging in using a private window in your browser.

Q. Why did Caltech choose Office 365?
A. Caltech conducted an extensive evaluation process based upon our specific needs. Office 365 was the closest match for Caltech's requirements and offered the best security and privacy features (FERPA, HIPAA, no data mining, no advertising, U.S. hosted data only, etc.)

Q. What are the email limits for Office 365?
A. Individual mailboxes include 50GB of storage and individual emails can be up to 25MB.

Q. Can I get another alumni email address?
A. Yes, please fill out the form before to request an alternative email address. Please allow 1-2 weeks for account creation notification via the preferred email address provided.


  • Easily manage your email with 50GB mailboxes and send messages up to 25MB in size.

  • Work from almost anywhere with automatically updated email, calendar, and contacts across the devices you use most, including PCs, Macs, iPhones/iPads, Androids, and Windows Phones.

  • Connect with all of the rich functionality of Microsoft Outlook 2013, whether you're online at home, on campus, or working offline.

  • Configure other email clients to access your Office 365 Exchange email, such as Apple Mail, Outlook 2016 for Mac, Thunderbird and others.

  • Access your email, calendar, and contacts from nearly any web browser with the Outlook look and feel with an Outlook Web App.c