Are you preparing for a migration to SAP S/4HANA, in the middle of the transition, or are you already productive with S/4HANA? Then you should familiarize yourself with the the ATACA tool, which will help you solve one or two problems before they arise. Introduction to the ASU Toolbox Application Conversion Assistant (ATACA) System conversion/migration from ECC to SAP S/4HANA Pre and post conversion/migration tasks How to leverage ATACA during a conversion project Content collection for ATACA System demo