[AccessD] Why Change Field Size/was Change Field Size

I think in essence I agree with you on the point: If I don't know what the
length will be for sure then I do 255. Otherwise, and generally the case, is
that I specify.

Why? OCD.
:o)

And it takes little extra effort to do and can pay off in the future if you
decide to to interact with other RDBMS's.