Are you wondering which tool is the best and most secure for easily Recovering password-Protected XLSX files? But I would recommend you to use eSoftTools Excel Password Recovery Software. You get 3 recovery attack opportunities when you utilize this software. It can be recovered and removed from all kinds of combination passwords such as numerical, alphabetical, and specific characters password. The best part of this tool that is works with all O/S windows. And another option is the free demo edition you can use it without paying.