How to Lock Cells in Microsoft Excel
- George Apostolov
How to Lock Cells in Microsoft Excel: step-by-step guide
Go to the Review tab and click on Protect Sheet.
In the Protect Sheet window, enter a password to prevent unauthorized changes, then click OK.
Confirm the password if prompted, then click OK.
Quick answer: To lock cells in Microsoft Excel, go to the Review tab and click Protect Sheet. Enter a password in the Protect Sheet window to prevent unauthorized changes and click OK. Finally, confirm the password if prompted and click OK.
About this Microsoft tutorial
Secure your spreadsheet data in Microsoft Excel by locking cells with a password to prevent unauthorized changes quickly. This guide shows how to lock Cells in Microsoft Excel in 3 steps, starting with "Go to the Review tab and click on Protect Sheet " and finishing with "Confirm the password if prompted, then click OK ". The interactive demo above is a click-through copy of the real Microsoft interface, so you can rehearse each step before doing it in your own account.
Frequently asked questions
How many steps does it take to lock Cells in Microsoft Excel?
3 steps. Each one is listed in order above, and the demo highlights exactly where to click.
Can I try it without changing my own account?
Yes. Clicking through the demo doesn't touch your Microsoft data or settings. Once you know the flow, repeat it in your own workspace.
This tutorial is filed under Microsoft and Excel. Related guides: How to make a bar graph in microsoft excel, How to make a column always visible microsoft excel and How to Make a Copy in Microsoft Excel. Last reviewed 05 Oct 2026.
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