Transpose multiple rows to single column

Question

Can't figure out how to transpose multiple rows into a single column.

Current layout:

| a | b | c | d |
| e | f | g | h |
| i | j | k | l |

Desired layout:

| a |
| b |
| c |
| d |
| e |
| f |
| g |
| h |
| i |
| j |
| k |
| l |

There are 214 rows, all with 4 columns, that I want to transpose into a single column. Starts from A2 and ends at D215.

Answer 1

Use FLATTEN() function like-

=FLATTEN(A2:D)