Henry, This is the expected behavior. The Dispose Report VI calls Excel_Quit.vi. This subVI calls _Application.Quit Excel method. You can modify this subVI to not call this method, or to call it if you press a boolean button. Excel_Quit.vi is located in <LabVIEW>\vi.lib\addons\_office\exclsub.llb
Zvezdana S. National Instruments