This document is the third and final status and progress report on the service building activities conducted within the EUDAT2020 project. It provides an overview of the highlights and main achievements. The service building activities concentrated in the final year on further progressing in the service developments, realizing the defined CDI architecture, the completion of two new production services. The User Documentation and Training Materials team provided continuous effort in developing and maintaining new and existing documentation and training material. While the activities in the CDI Architecture and Service Rolling Plan concentrated on addressing existing and new requirements, maintaining the service building roadmap and participate in the business offering task on defining criteria for service available, reliability and data durability. Also, an outlook is provided on how service development is sustained after the EUDAT2020 project has finished.