Sub FormatSuperscript()
Dim C As Range, P As Long
Set C = ActiveCell
If IsNumeric(C.Value) Then
C.Offset(, 1).Formula = "=SUBSTITUTE(VND(" & C.Address & ",,""m2"","" ""), "" và "", "" cham "")"
Set C = C.Offset(, 1)
C.Value = C.Value
'unicode: chu chaasm"
C.Value = Replace(C.Value, " cham ", " ch" & ChrW(7845) & "m ")
'Format Superscript
P = InStr(C.Value, "2")
If P > 0 Then
C.Characters(P, 1).Font.Superscript = True
End If
End If
End Sub