This Product Ideas board is currently undergoing updates, but please continue to submit your ideas.
Showing the total sum of the selected cells (not each column)
You can show the sum of a selected set of cells by setting the summary bar to Sum, selecting the group of cells, and looking at the summary bar. Here’s a gif showing how to do that:
that is just for one column but I can’t get the total sum of two columns?
@Ali_Aboutera You may consider summing two cells in a 3rd cell by formula. When you sum the 3rd column as shown above, you should see the totals you are looking for.