Sub k()
Dim a$, b$, c$, d$, e$, f$
a = [A1].Address
b = Cells(1).Address
c = Cells(1, 1).Address
d = Cells(1, "A").Address
e = ActiveSheet.UsedRange.Item(1).Address
f = Range("A1").Address
MsgBox a & vbCr & b & vbCr & c & vbCr & d & vbCr & e & vbCr & f, vbExclamation, "Aie,Caramba!"
End Sub