On a Mac, the command key () can be used instead of the control key.
Related videos
The videos below demonstrate this shortcut.
Extend the selection to the last cell down
If the active cell is empty, Excel will extend the selection to the first non-empty cell below the active cell. If the active cell is non-empty, Excel will extend the selection on the last non-empty cell below the active cell. On a Mac, the command key (⌘) can be used instead of the control key.
