Hi,

Here is the code usinge File dialog:
VB Code:
  1. Sub ShowFileDialog()
  2.     Dim dlgOpen As FileDialog
  3.     Dim i As Long
  4.     Set dlgOpen = Application.FileDialog(Type:=msoFileDialogOpen)
  5.     With dlgOpen
  6.         .AllowMultiSelect = True
  7.         If .Show = -1 Then
  8.         'if the user press the Open button
  9.             .Execute
  10.         'Once the file is open then run your macros
  11.         '. . . . . . . . . . . . . . . .
  12.         '. . . . . . . . . . . . . . . .
  13.         '. . . . . . . . . . . . . . . .
  14.         'Now you close the presentation.
  15.             ActiveWindow.Close
  16.         End If
  17.     End With
  18. End Sub

I hope this helps.