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.

Microsoft Excel has been one of the go-to spreadsheet apps for several decades, and it's developed an array of tricks throughout its lifetime, not just for making data entry, editing, and ...

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 ...

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.

Add a password and expiry date to an Excel sheet link If you use Microsoft's OneDrive cloud platform to save and share Excel files, you can password-protect and set an expiry date for a shared link.

You worked hard to put that Excel sheet together, now protect it from unintended damage.

First, you need to open the Excel spreadsheet and enter your password to access the file. Then, go to File > Info and click on the Protect Workbook option.

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 ...