Couple of examples
="this file was created on: " &TEXT(Creadate(),"mmmm d" &"," &"yyyy")
=B1& " " &TEXT(C1,"mmmm d" &"," &"yyyy") where B1 contains text
And one more to have text, date and a an amoun in the cell.
="Payment due " &TEXT(H15,"mmmm, d yyyy") & " " & TEXT(I15,"$#,##0.00")
Gord Dibben MS Excel MVP