To use the SUM function to add up numbers in Excel, follow these steps:
- Open Excel and navigate to the cell where you want the sum to be displayed.
- Type =SUM(
- Select the range of cells you want to add up. For example, if you want to sum the numbers in cells A1 to A5, type A1:A5.
- Close the bracket by typing ).
- Press Enter.
The sum of the selected cells will be displayed in the cell where you initially entered the SUM function.