I am looking for a way to use the users name in a formula, using the
name in the Excel User Name property.

IE: I want to set up a macro that places
=Updated on " & text(now (),"MMM DD, YYYY") & " by "& {user name goes
here}
into the cell which I will then convert to a value.

I intend to do a quick check of the user name first so that if one
person does the update, it goes into one cell and anyone else's goes
into another cell.