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.

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!

Safeguard your Excel worksheets from accidentally deleting formulas or data sets by locking important cells, while leaving the rest of the worksheet editable.