While INFO tells you about your Excel environment, CELL digs into individual cells and returns details about their formatting ...

To apply data validation rules to a selected cell or range, head to the "Data" tab on the ribbon, and click the top half of the "Data Validation" icon if you're using a wide screen, or the left half ...

You can freeze a row in Excel through the "Freeze Panes" menu. This lets you scroll through a spreadsheet without that frozen ...