This document discusses research data management (RDM) and the open data pilot program in Horizon 2020. It provides information on why RDM is important, noting key stakeholders that expect data sharing, and how RDM enables data re-use and integrity. The Horizon 2020 open data pilot program is described, including the seven research areas included in the pilot and funder requirements for a Data Management Plan and depositing data in repositories. Guidance and support resources for participating in the open data pilot are also listed.