Choose the Unknown Password (Brute Force) mode if you don’t know the password, and provide the asked details (optional):

Choose the Unknown Password (Brute Force) mode if you don’t know the password, and provide the asked details (optional):
Important Note: Please check only those boxes where you are confident about the accuracy of the information. Do not fill in uncertain information.

After completing the Excel password recovery process, a pop-up will appear, and choose the OK button.

Choose the Unknown Password (Brute Force) mode and provide known information like:
Important Note: Please check only those boxes where you are confident about the accuracy of the information. Do not fill in uncertain information.

After completing the Excel password recovery process, a pop-up will appear, and choose the OK button.

SysTools Excel Password Recovery Tool