How to Undo More than Once in Excel for Mac?
Have you actually tried?

As I have used CommandZ multiple times on formulae I have edited several times and it steps back through the changes sequentially. Even changes sheets as necessary.

On version 16.29 &amp; 365, the help file says 100 actions can be undone but there are exceptions...

Just tested by entering 0 to 9 in separate cells - CommandZ goes back through deleting them in the order they were entered.