The Open University (Universidade Aberta, UAb) is a public distance-learning university based in Lisbon, Portugal. Founded in 1988, the Universidade Aberta (UAb) specializes in providing flexible higher education programs for students who require remote or lifelong learning opportunities. It offers a wide range of undergraduate, master’s, and doctoral programs across fields such as education, social sciences, management, law, arts, and technology, using online and blended learning methods. The Open University (Universidade Aberta) is recognized for promoting accessible education, lifelong learning, and research in distance education methodologies, serving students throughout Portugal and internationally.