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.

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.

How do I password-protect an Excel file on desktop? To password-protect an Excel file or Excel Workbook on your Windows 11/10 desktop, follow these steps: ...

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 ...

If you would like to make sure that your Excel spreadsheet data is secure this guide will show you how to password protect and hide worksheets ...

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

Microsoft Excel lets you embed content from other applications, including PDF files. You can embed a PDF file into a cell of an Excel worksheet and then use Excel's security features to lock the ...

Unlocking Password-Protected Excel Files With Read-Only Sometimes the Excel workbook you are trying to open is password protected.