An Excel Options dialog box will open. Click Advanced on the left pane. In the Display section, uncheck the checkbox for the Show formula bar option. If a formula is applied to a particular cell ...

To hide the Formula bar, simply click the View tab and then ... unintentionally damaging your work. However, if you open a protected Excel file in the browser edition, you can see hidden formulas, ...

To edit an existing formula, you probably make changes in the Formula bar. Recently, I noticed several Excel students reaching for the mouse and clicking the Formula bar to edit formulas.