Application.Startup Event (Outlook)
Occurs when Microsoft Outlook is starting, but after all add-in programs have been loaded.
A variable that represents an Application object.
This event is not available in Microsoft Visual Basic Scripting Edition (VBScript).
An Outlook macro can use this event procedure to initialize itself when Outlook starts.
This Microsoft Visual Basic for Applications (VBA) example displays a welcome message to the user and maximizes the Outlook explorer window when Outlook starts.
Private Sub Application_Startup()
MsgBox "Welcome, " & Application.GetNamespace("MAPI").CurrentUser
Application.ActiveExplorer.WindowState = olMaximized