I suggest using the best and safest solution, eSoftTools Excel Password Recovery Software, to unlock a password-protected Excel file. For the reason that it will make it simple for you to recover or remove any type of difficult password from an Excel file. It supports all Excel file versions, including Xlsx, Xlsm,.xls,.xlsb,.xla,.xlam,.xltm, etc. Additionally, it offers a free demo edition option that enables users to try it out and extract the first three characters from a password-protected Excel file. with this software, users can easily unprotect Excel sheets without a password.