Cookie usage policy

The website of the University Carlos III of Madrid use its own cookies and third-party cookies to improve our services by analyzing their browsing habits. By continuing navigation, we understand that it accepts our cookie policy. "Usage rules"

New students




Username: DNI/NIE/passport number. The document must be the same provided at the time of admission. Complete with zeros on the left if necessary.

Password: Four-digit code provided by our system upon registration. 

Forgot your password?


Continuing students




Username: The same as in your uc3m e-mail address (for instance, if your e-mail is, then your username is 1000XXXXX).

Password: your uc3m e-mail password.

Forgot your password? Retrieve or reset it at our Password Management service with your digital certificate, electronic ID or password retrieval method. In any other case, send an e-mail to, attaching a scan of your ID or passport and your UC3M username (you can retrieve your username here).