If you would like to make sure that your Excel spreadsheet data is secure this guide will show you how to password protect and hide worksheets ...

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

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.

You can have Excel make a spreadsheet in read only format for others, so that people can read its contents but not edit them, or you can enforce other content restrictions.

You can lock cells in Excel by heading into the program's "Protection" tab. There, you can set a password, and protect your data.