I have data for 2 different months.
I need a formula or macro that creates a column with all data included in
both months sorted by column A.
See example

A B C D E F
Jan Feb. All
code value code value code value
a1 3 a1 5 a1 5
a2 5 a3 12 a2 5
a3 9 a4 6 a3 12
a5 2 a7 2 a4 6
a6 3 a8 10 a5 2
a8 6 a6 3
a7 2
a8 10

How to manage this
Thanks a lot
António