If you want to remove the password from Excel, here is how you can do that. Whether you want to remove a password or unprotect a sheet, workbook, or spreadsheet, this step-by-step guide can help ...

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

Do not worry if you have lost your Excel password there are ways that you can still access spreadsheets. Check out our guide on how to unlock Excel spreadsheets without a password to learn more.

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.