How to Turn Off Calculations in Excel 2010

1. Open Microsoft Excel and click 'Formulas' in the Ribbon at the top of the Excel window.
2. Click 'Calculation Options' on the far right side.
3. Select 'Manual' to disable auto-calculation. If you want Excel to recalculate your spreadsheet while auto-calculation is disabled, you will need to click 'Calculate Now,' also located under 'Calculation Options.' When you are ready, you can re-enable auto-calculation.