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.

Fortunately, Excel provides built-in features that allow you to hide and password-protect your worksheets without requiring any programming skills. Password Protecting Excel Spreadsheet Data ...

At the file level, you can password protect an Excel workbook in two ways: You can determine who can get in and who can save changes.

To remove protection from the spreadsheet, open it in Excel, click the "Review" tab and then click "Unprotect Sheet" in the Changes group. Type the password into the Password field and click "OK." ...

In this post, we will see how to password protect PDF, Excel, Word, Office documents, OneNote notes, Files, Folder, Zip file, Games, Images, applications, installed programs, USB, Flash, Pen ...

In Word, Excel, or PowerPoint for Windows, open the file you want to protect with a password, then select File and Info.

A recommended approach to secure your most private documents — whether it’s a PDF, Word file, or Excel spreadsheet — is to lock them with a passcode. While this does help keep sensitive ...

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.