Date not sorting in order

i have followed the instruction on formatting the dates for excel,
however, the dates are not updated and was not sort in order.

is there other alternatives to go about it?

notedate
01/02/2018
01/02/2018
01/02/2018
01/02/2018
01/02/2018
01/02/2018
01/02/2018
01/02/2018
01/02/2018
02/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
03/01/2018
05/01/2018
09/01/2018
19/02/2018
22/02/2018
22/02/2018
22/02/2018
22/02/2018
22/02/2018
22/02/2018
23/02/2018
28/02/2018