On Tue, 11 May 2010 13:25:26 -0500, "Bruce Rodtnick"
wrote:

Me!lstMailTo.RowSource.OrderBy = Email
Me!lstMailTo.OrderByOn = True
Order By Email

A listbox (unlike a Form) does not HAVE an OrderBy property.

Do as Jeff suggested: use your code to change the listbox's RowSource property
to a SQL string which sorts as you want it.
--

John W. Vinson [MVP]