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.

If you use a computer, you probably have some Microsoft Excel documents on your Mac or PC that you wouldn’t want other people to find and read. After all, Excel serves not only the average person, but ...

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.

In Word, Excel, or PowerPoint for Windows, open the file you want to protect with a password, then select File and Info. You should see a Protect option at the top of the next list: Click this ...

Working with an Excel workbook that contains confidential information such as financial data, personal details, or trade secrets? Here's how you can protect the data in your Excel file from prying ...

How to remove a password from an Office document How to set a password for an Office document To add an encryption password to Microsoft Word, Excel, or PowerPoint, use these steps: ...