Ever found yourself locked out of an Excel spreadsheet because you forgot the password or you have been given password protected Excel files from a ...

Learn how to unprotect Excel sheets or workbooks without a password using this simple step-by-step guide. No software required!

I just performed a preliminary Google for "crack excel password" and a bunch of sites came up. I've used Squrf's method to get around Word passwords before, but I've never tried a spreadsheet.

You can add or remove a password from your Excel spreadsheets through the File tab. You'll do it slightly differently on a Mac and PC.

In addition, excel password remover can recover Excel password within the shortest time, regardless of password length and complexity.

How to Recover an Excel Password in OS X. The Mac operating system provides a way for you to lock Excel with a password to prevent unauthorized use by using Keychain Access.