E xcel is great for organizing data. But if you need information that changes constantly—like stock prices, weather updates, ...

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 make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

You can make a bar graph in Excel by first selecting the range you want to depict, and then using the dropdown menu to select the desired chart.