Hello, Master/Primary Password: If you forgot the master/Primary password, then you can reset it: https://support.mozilla.org/en-US/kb/protect-your-thunderbird-passwords-primary-password#w_what-does-the-primary-password-protect If you want to see the passwords of the email accounts then: https://support.mozilla.org/en-US/kb/password-manager-remember-delete-change-tb Thank you,