How can I identify which cells in my spreadsheet have a formula and which do not in MS Excel?

Option A: 1. Choose Edit + Go To (or press Ctrl + F5). 2. Select Special. 3. Select Formulas. 4. Click OK. Option B: 1. Choose Tools + Options. 2. Select the View Tab 3. In Window Options choose the check box 'Formulas'. 4. Click OK