Migrating from one release of AutoCAD to another can be a challenge as it is never the same from release to release or from company to company. Autodesk attempts to take some of the complexities out of migrating from one release to another by providing the following tools:
Each of these tools allow you to migrate some, but not all of the customization changes that you might make to AutoCAD.
None of the migration tools that Autodesk provides will migrate all of your custom files and settings. So it is important to understand what is not migrated and how you might migrate the files and settings that cannot be automatically migrated for you.