“. . . . . . is your username and password combination which allows access to University services, such as Office 365 email, MyUW, calendaring, student records, payroll information, etc.  NetID username is not case sensitive when used as a login credential. Your NetID username is randomly generated from University records and typically includes some combination of your first, middle, and last name. Your NetID username is not the same as your campus ID number.” See more here: NetID - What is a NetID?