The Protect Sheet and Protect Workbook options are available under the Review tab. If you prefer them, select a relevant option to protect your Excel file content and structure.

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.

Here is a tutorial to lock or hide only the formula cells in an Excel workbook. You can also lock formulas in all worksheets in a workbook.

Want to protect an important Word document or Excel spreadsheet? Here's how to add a password, make documents read-only, and tap into other tricks to safeguard sensitive files.

In this guide, you'll learn how to freeze top 2 rows in your Microsoft Excel spreadsheet and keep headers visible while ...

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.

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 ...

Password protect files WinGuard Pro lets you password-protect files, folders, Windows features & apps. Take a look at these free File Encryption Software for Windows if you want to protect your data.