The document outlines the European Open Science Cloud (EOSC) initiative, its funding through Horizon 2020, and its goals to enhance data sharing and interoperability across scientific disciplines. It details the activities and developments since 2016, including the establishment of the EOSC-hub for service integration and management, and highlights opportunities for collaboration among researchers, companies, and citizens. Additionally, it discusses the training and support provided to facilitate open science and the promotion of services within the EOSC framework.