When you forgot your password for a QuickBooks document and have to break it, QuickBooks Password is the tool of choice. QuickBooks Password recovers lost 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 find the original password.
This may take a lot of time if the password is long and complex. QuickBooks Password resets the password to a known one and restores access to your password-protected file instantly. However the original password will remain unknown. The password recovery methods used by QuickBooks Password are Brute Force Attack , Dictionary Attack Smart Force Attack (TM), Password Variation , Reset password.

The license of this software is Free Trial Software, the price is $45, you can free download and get a free trial.