Question on Outlook Automation

Experts, I am using the following code to access Outlook contacts for an application I am working on. At the very end when I quit the application if the user has Outlook open it closes the application. I thought that I was creating a new instance and closing it. Is there another way I should be doing this?

        Dim outlookApp As Outlook.Application = New Outlook.Application
        'Dim oNS As Outlook.NameSpace = outlookApp.Session
        Dim oNS As Outlook.NameSpace = outlookApp.GetNamespace("mapi")
        Dim oContacts As Outlook.MAPIFolder = oNS.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderContacts)
        Dim oItems As Outlook.Items = oContacts.Items
        Dim oContact As Outlook.ContactItem = Nothing

        For Each contactItem As Outlook.ContactItem In oContacts.Items
            Debug.WriteLine(contactItem.FullName)
        Next

        outlookApp.Quit()
        outlookApp = Nothing

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BasicfarmerAsked:
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David Johnson, CD, MVPOwnerCommented:
only 1 instance of outlook can run at a time
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BasicfarmerAuthor Commented:
Thanks...
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