Multifactor Authentication Now Required for SelfService ProfileLiteblue is a user-friendly online platform provided by United States Postal Service. It is created for trouble-free access to employee perks, timetables, payroll, and other. Using BlueLite, USPS employees can stay informed about their job details, connect with colleagues, and organize various HR tasks. Blue Lite USPS aims to simplify USPS operations and establish a more productive work environment.