People tend to use passwords to protect their Excel files for numerous reasons. For example, if you are having sensitive data with regards to your business in an Excel file, you need to password ...

You can generate a random secure alphanumeric string in Excel. Use the Password Generator to make a strong password.

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

There are several options available to you to protect your Excel file with a password. Remember that once you protect the Excel file, you cannot open it without entering the password.

If you want to set an expiration date and password when sharing Excel files online, here is how you can do that. It is possible to do both of them when using Excel Online.

Excel 2007 uses a password-protection system that converts your spreadsheet to a read-only format, hides the spreadsheet's formulas and allows only selected cells to be modified.