CS Accounts Page

Only current Columbia faculties, staffs and students enrolled in Computer Science classes are entitled to CS accounts. All guests and alumni of Columbia University will need a sponsor in order to obtain CS accounts. Please note that your request will not be approved if you are not affiliated with the Department of Computer Science Department of Columbia University and we will not refund your application fee.

All accounts, CS, MICE, WIN-CS, that are inactive for more than 90 days will be deactivated.

IT Policies at Columbia University

Account sharing is a violation of University policy.


You may not, under any circumstances, permit another person to use your account. If we discover that you are sharing your CS account, we will terminate that account.

Non-creditcard payment WILL NOT be refunded under any circumstances. This includes late TA appointments or faculty sponsorships, so be sure to confirm your status before paying.

If you would like to find out more about some of the benefits of having a CS account, please read: Brief Introduction to CS accounts

If you have questions, they can probably be answered here: Frequently Asked Questions about CS accounts

Students enrolled in a class which requires a CS account may apply for one below. The cost of the account is $50 Credit Card (nonrefundable), payable through Kagi, an online payment processor.

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Other sources of information:

If your browser complains about this server, specifically if it says that the Certification Authority (CA) that authorized the server is not known/trusted, please go to:AcIS certificate information. If you have any questions regarding our account policy or if you have questions or comments about this page, please send email to CRF

If you have general questions or problems, please also email crf@cs.columbia.edu