Kod:
Private Sub Workbook_BeforeSave(ByVal SaveAsUI As Boolean, Cancel As Boolean)
Dim sOldName As String
'If SaveAsUI Then
Cancel = True 'cancel the save and do it yourself in code
sOldName = Me.FullName 'store the old name so you can delete it later
'Save using the value in the cell
Application.EnableEvents = False
Me.SaveAs Me.Path & Application.PathSeparator & _
Me.Worksheets("CUST").Range("FILE").Value & ".xls"
Application.EnableEvents = True
'If the name changed, delete the old file
If Me.FullName <> sOldName Then
On Error Resume Next
Kill sOldName
On Error GoTo 0
End If
'End If
End Sub