Join us for the fourth session in the CaSDaR Data Stewardship Training series, in response to the growing need for practical metadata stewardship skills across the research landscape. Designed for Data Stewards and professionals supporting research data management, the session introduces approaches to efficiently clean, standardise, enrich, and transform metadata using tools such as OpenRefine. Participants will explore how metadata practices support FAIR principles, data sharing, repository ingest, and cross-disciplinary reuse. Through practical exercises and collaborative discussion, attendees will gain experience addressing real-world metadata challenges commonly encountered in research environments. This training will be run by the Digital Preservation Southampton.