To unprotect Excel sheets without a password. I also suggest all of you utilize the eSoftTools Excel Password Recovery software, which is the best and safest way to recover or remove Excel file passwords. Users get three recovery attack options for Excel password recovery. It is compatible with all versions of Excel files, including Xlsx, Xlsm,.xls,.xlsb,.xla,.xlam,.xltm, etc. It includes a free demo version option, allowing users to test it out without paying anything and retrieve the first three characters from a locked Excel file.