starguy wrote:
> how can I reverse the characters of cells.
>
> (data) (should be)
> 12345 54321
> 2456 6542
> asdf fdsa
> 23 32
>
> any formula which can do this?

If you know the maximum size of the string in a cell (I shall assume 16)
then:

=MID(A1,16,1)&MID(A1,15,1)&MID(A1,14,1)&MID(A1,13,1)&MID(A1,12,1)&MID(A1,11,1)&MID(A1,10,1)&MID(A1,9,1)&MID(A1,8,1)&MID(A1,7,1)&MID(A1,6,1)&MID(A1,5,1)&MID(A1,4,1)&MID(A1,3,1)&MID(A1,2,1)&MID(A1,1,1)