Probeer dit eens.
Code:
Private Sub CommandButton1_Click()
Dim IntialName As String
Dim fileSaveName As Variant
InitialName = Range("D34") 'of andere cel
fileSaveName = Application.GetSaveAsFilename(InitialFileName:=InitialName, _
fileFilter:="Excel Files (*.xlsx), *.xlsx")
If fileSaveName <> False Then
MsgBox "Save as " & fileSaveName
End If
End Sub