Quick summary
You can password-protect an Excel file in just a few clicks using the built-in Protect Workbook feature under the Review tab. This prevents unauthorized users from opening or modifying your sensitive spreadsheet data.
Steps
- Open your Microsoft Excel worksheet, go to the top menu bar, and click Review.
- Select Protect Workbook from the available options in the Review menu.
- Enter a strong password into the provided input field, then retype the password to verify the combination.
- Click OK to apply the password protection changes.
- Your Excel file is now password-protected and secured against unauthorized access.
