Do not use your CTU email address; instead, use your CTU account login in the format: username@cvut.cz
and CTU Password. Can't sign in?
Notice: As of April 15, 2026, the use of multi-factor authentication (MFA) will be enabled on all guest-type accounts in the Office 365 environment. This change applies to all external accounts that are not part of the CTU IS and were invited to the Office 365 environment based on an email address. Further information is available at Office 365 Guest Accounts and Multi-factor authentication (MFA)