Updating email subject in Outlook VBA

Question

I am trying to create a button-controlled macro that would change the topic of an email message. Following this thread I\'ve managed to came up with this:

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Answer 1

Is this what your trying to do?

Option Explicit
Public Sub Confidential()
    Dim Item As Outlook.MailItem
    Dim oInspector As Inspector
    Dim strSubject As String
    Dim strPrefixSubject As String

    Set oInspector = Application.ActiveInspector

    If oInspector Is Nothing Then
        Set Item = Application.ActiveExplorer.Selection.Item(1)
    Else
       Set Item = oInspector.CurrentItem
    End If

    strSubject = "Confidential and Legally Privileged "

    Debug.Print Item.Subject

    ' Remove previous Confidential and Legally Privileged
    Item.Subject = Replace(Item.Subject, strSubject, "", vbTextCompare)
    Item.Save

    ' Prefix subject with Confidential and Legally Privileged
    strPrefixSubject = "Confidential and Legally Privileged " & Item.Subject

    ' Set the message subject
    Item.Subject = strPrefixSubject
    Item.Save


    Set Item = Nothing
    Set oInspector = Nothing

End Sub

Answer 2

Answered thanks to @Ryan Wildry: if the email is edited in the explorer pane, use the .Display method to force a pop-up and then work with it:

Dim Item As Outlook.MailItem
Dim oInspector As Inspector
Set oInspector = Application.ActiveInspector

If oInspector Is Nothing Then
    Set Item = Application.ActiveExplorer.Selection.Item(1)
    Item.Display   'Force the po-up
    Set oInspector = Application.ActiveInspector  'Reassign oInpsector and Item again
    Set Item = oInspector.CurrentItem
Else
   Set Item = oInspector.CurrentItem
End If