Combine an Excel custom format with data validation and remove the pressure for input perfection from personnel by letting Excel do the work.

How many times can you Undo in Excel? By default, Excel allows users to undo changes up to 6 times. However, it is possible to change the number of undo levels in Excel.

You can put a circle around a number in Excel, using the Illustration feature, using Symbol or using the Quick Access Toolbar. Learn how!