John wrote:
When I have two or more spreadsheets open, I cannot close one without closing
all of them. There should be the ability to close each one, either saving or
not saving the data. If you select "cancel" the first one doesn't do
anything.

Hi John

Using Windows?

Then there are two Xs in the top right hand corner, the topmost one
closes the application, the lower one closes the current window (Alt+F4
and Ctrl+F4 respectively do the same jobs).

Regards

Steve