Troubleshooting & messages · Backup messages
What does "The passphrase on file doesn't unlock" a backup mean?
Short answer: The stored passphrase isn't the one the backup was encrypted with (common on a new Mac). Enter the original passphrase and Storage Studio reconnects to your versions — nothing is deleted.
The passphrase Storage Studio has stored for this backup isn't the one its versions were encrypted with — for example, after setting the backup up again on a new Mac. Nothing is deleted.
Enter the passphrase the backup was originally encrypted with. Storage Studio then reconnects to all your existing versions.