In Part 1 of his two-part miniseries, Murph examined the fundamental design of QuickBooks files and the concepts used in safeguarding your data. He took a close look at the principles of encryption and decryption, and looked at how user accounts and their passwords are created and stored in QuickBooks.
According to the "QuickBooks help" reference, users are to use the QuickBooks Login window to open a password-protected company file. If the Login window only asks for a password, the administrator password should be entered.