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.

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.

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 ...

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.

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

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

To make your cell non-editable in Excel, you have to lock the cell and use a password to protect the information. Learn how!

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.

Locking cells in a Microsoft Excel spreadsheet is among the most commonly used functions. Here’s a guide on how to lock cells in Excel.