How to Fix the SUM function in Excel.
How to tell what is included in the SUM function in Excel.
Edit what is being summed.
Why is there a green triangle on my SUM function in Excel?
Formula Omits Adjacent Cells in Excel.
Update Formula to include cells in Excel.

Today, you have a SUM in Excel which appears to be too small for the numbers you are adding up. Use the F2 key to figure out what numbers are in the sum.

One solution is to drag the range to include many blank cells.
But another solution is to convert the range to a Table so the Sum will automatically expand as more numbers are added to the table.

This video answers these common search terms:
How to get Excel to auto update formulas
What are the green triangles on the Excel cell
What are green triangles in Excel cells
How to fix green triangle in Excel
How to remove the little yellow triangle with exclaimation mark in Excel
How to remove the little yellow triangle with exclamation mark in Excel
How do you fix the yellow triangle error message in Excel?
How to add rows in Excel sum
How to change sum in Excel
How to determine the sum_range in Excel
How to fix Excel sum

Table of Contents
(0:00) Sum is too small
(0:13) Green triangle in Excel
(0:24) F2 to edit cell in Excel
(0:30) Dragging range to include more cells
(0:47) Expanding range with Ctrl+T Table
(1:10) Wrap-up