ORO is the Open University's research publications repository that aims to provide open access to all OU research publications and act as a complete record of research conducted by OU researchers. It allows researchers to self-deposit or have mediated deposit of publications such as journal articles, books, book chapters, theses, and more. ORO had over 800,000 user sessions in 2021 and over 1.3 million pageviews, demonstrating its success in providing access to OU research outputs.