If the arrow keys do not move the cell cursor in Excel, but rather the
entire sheet, then the ‘scroll lock’ function is most certainly turned on.
To turn it off, simply press the Scroll Lock key on your keyboard. But what
if your keyboard does not have a Scroll Lock key? The solution is simple.
This is a companion discussion topic for the original entry at https://www.xltoolbox.net/blog/2014/03/turning-off-scrolling-in-excel-without-a-scroll-lock-key.html