Changing the column count probably is working, but you can’t see it because the width of existing columns doesn’t change. If you make the table larger or one of the visible columns narrower, you should see the new columns at the right.
Changing the column count probably is working, but you can’t see it because the width of existing columns doesn’t change. If you make the table larger or one of the visible columns narrower, you should see the new columns at the right.