Type the password into the "Password to unprotect sheet" field and click "OK." Re-enter the password when prompted and click "OK" to protect the spreadsheet. Press "Ctrl-S" to save the changes.

Google Drive is a great service for both creating and storing spreadsheets if you don't want to shell out the cash for Excel. However, security is a concern, particularly when it comes to someone ...

If you have sensitive data you'd like to keep from prying eyes in a Microsoft Excel file, the easiest way to protect it is with Excel's built-in password tools.