A method for digital rights management includes receiving a selection input from a user, associating a customer number with a file based on the selection input, embedding the customer number and a file identifier associated with the file in the file, and sending the file with the embedded customer number and file identifier to the user. One embodiment includes receiving a customer number change request, revising the central database in response to the customer number change request, determining a new customer number responsive to the customer number change request, and embedding the determined new customer number in the file. Another embodiment includes receiving an authorization request associated with a file, determining an authorization based on the central database and authorization request, and sending an authorization notice response to the determined authorization.