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.

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

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.

It is possible to create a macro in an Excel sheet that unlock the sheet which is already protected by a password. Users can easily prepare a document in the sheet and then lock it again with a ...

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 ...

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 ...

One of the most effective ways to protect your Excel data from unauthorized access is by encrypting your entire workbook with ...

Open the spreadsheet you want to protect in Excel, click the "Review" tab and then click "Protect Sheet" in the Changes group to display the Protect Sheet dialog.

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.

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 ...