Right to Data portability for person means possibility to obtain his personal Data from one service provider and reuse it at another for his own purposes in easy and safe way. It allows to get data from one IT environment in structured, commonly used and machine-readable format and put that into another without affecting its usability (if technically possible).
The EU-U.S. Data Privacy Framework: A Transatlantic honeymoon for data flows, but for how long?
The European Commission concluded that the United States ensures adequate protection for personal data transferred from the EU to U.S. companies under the EU-U.S. Data Privacy