How to Remove Encryption in Excel 2007

Microsoft Excel contains encryption features to heighten security of your spreadsheets. Once enabled, the file cannot be viewed without entering the appropriate password. If you no longer require the encryption, the password can be easily removed.

...
Unlock Excel spreadsheets by removing encryption.

Step

Open the encrypted spreadsheet in Excel, which will require your password.

Step

Click the circle in the upper-left side of the Excel window. This will appear just before "Home" on the menu and will have a Windows logo inside. In the drop-down menu, select "Prepare" and then "Encrypt Document."

Step

Delete the password in the window entitled "Encrypt Document." Press "OK" to remove the password from your spreadsheet.