This session examines proven approaches for data cleanup and migration planning to help you avoid costly delays during your SAP S/4HANA transition. Get tips to manage legacy data, handle custom tables, define archiving and deletion strategies, and clean up master data before migration. Understand differences based on your SAP S/4HANA deployment model, including considerations around data volume, retention, and standardization in cloud environments. Review key milestones, staffing considerations, and testing cycles, including tools available to streamline your efforts. Come away with a roadmap for preparing your data environment and aligning it with your SAP S/4HANA transition goals.