Multifactor Authentication Now Required for SelfService ProfileBlue Lite is a user-friendly online platform provided by USPS. It is designed for convenient access to employee perks, schedules, salary, and other. Using BlueLite, USPS employees can stay well-informed about their employment details, connect with colleagues, and organize various HR tasks. Blue Lite USPS aims to streamline USPS operations and create a more productive work environment.