how to data validation in excel

1:58

5:27

5:27

3:18

4:37

6:38

6:58

3:06

2:38

1:33

6:43

5:24

2:53

10:32

8:13

1:58

3:42

4:20

6:52

4:09

22:35

7:23

4:38

7:09

19:01

25:41

15:42

5:27

11:51

8:41

15:50

15:06

6:45

6:03

4:40

8:27

9:18

3:38

5:55

4:13