Sub test()
Dim dossier As FileDialog
Dim sélection As Variant
Set dossier = Application.FileDialog(msoFileDialogFolderPicker)
With dossier
.AllowMultiSelect = True
'si ok
If .Show = -1 Then
For Each sélection In .SelectedItems
MsgBox "Dossier sélectionné: " & sélection
Next
'si annuler
Else
End If
End With
End Sub