<i>Telling a customer that they can&#x27;t access their data on your service because they broke their laptop is going to make them very unhappy.</i><p>Depending on your target market, that can be a selling point. Tell them early and tell them often that you don&#x27;t keep copies of their keys and if they lose them, they won&#x27;t be able to access the information. Remind them to make backups.