This deliverable presents the second version of the data management action plan (DMP) an provides the general outline of the project policy for data management. The EO4EU DMP identifies the data types that will be used, collected and/or generated, and frames the overall guidelines regarding data collected and generated throughout the project implementation. The DMP describes the format and support the data management life cycle of all the data collected and generated following the FAIR (Findable, Accessible, Interoperable, Reusable) Data Principles, as defined in the “Guidelines to the Rules on Open Access to Scientific Publications [1] and Open Access to Research Data in Horizon 2020 [2]” and in the “Guidelines on FAIR Data Management in Horizon 2020 [3]”. This document will present the methodology and standards to be followed, in cases where data will be shared and/or made open, and how it will be curated and stored.