When you lose your password for a QuickBooks file and have to decrypt it, QuickBooks Password is the tool of choice. QuickBooks Password decrypts lost or forgotten passwords to password-protected QuickBooks files (*.qbw, *.qba). There is no way to extract the password, so brute force attack or dictionary search is required to restore the original password. This may take a lot of time if the password is long and complex. Fortunately it is possible to reset the password to a known one, this can be done instantly and you can open your document immediately. However the original password will remain unknown. The recovery methods used by QuickBooks Password are Brute Force Attack , Dictionary Attack Smart Force Attack (TM), Password Variation , Reset password.