関連ワード:  f4 function not working in excel    f4 key not working in excel    f4 button not working in excel    f4 command not working in excel    f4 key not working in excel mac    f4 function key not working in excel    f4 key does not work in excel    why is my f4 key not working in excel    f4 not working in excel    f4 doesn't work in excel