The "Advanced Dataflow" extension is a set of additional adapters and parsers to increase Magento Dataflow flexibility. As you may know, Magento migration processes are introduced with profiles. Each profile is a combination of actions (adapters / parsers / mappers) to transfer data from one format to another. The adapters and parsers variety makes the migration process flexible. The Magento enables customers and products (with or without an inventory) to be exported / imported using CSV or Excel XML formats. The "Advanced Dataflow" extends default bounds to cover more needs. The most essential "Advanced Dataflow" feature is orders import and export. It appends orders to list of available entities to migrate.