The usual answer to this question is to turn formulas to automatic. This, in my case, is not working.
The second usual answer is that there is some macro that is a
My problem was that excel column was showing me "=concatenate(A1,B1)" instead of
it 's value after concatenation.
I added a space after "," like this =concatenate(A1, B1) and it worked.
This is just an example that solved my problem.
Try and let me know if it works for you as well.
Sometimes it works without space as well, but at other times it doesn't.