Migration is enables you to upgrade to a modern data platform by detecting compatibility issues that can impact database functionality on your new version. If you are using a old version of Sage software than don't worry Sage Migration tool automatically change or update your software in a new version. Our migration tool gives you the flexibility to easily migrate client data into Business Cloud Accounting. Moving data is just a very small part of a successful migration . If you need to no more about it please contact with our Sage Support team. They shell guide you properly.