Mark a workbook as final in Excel to indicate that this is the final version of your workbook. Only use this feature to discourage editing. Users can still edit the workbook.

In this tutorial, you will learn how to make Excel document read-only. Open Excel file you need. Click on ‘File’ at the top right corner and then click on ‘Protect Workbook’.

You can lock cells in Excel if you want to protect cells from being edited.

Protect your complicated formulas in Excel by locking down certain cells, or hiding the formulas used in the cells. Only allow users to edit cells where needed.

This example teaches you how to protect the workbook structure in Excel.