Does this work? This code comes from https://docs.microsoft.com/en-us/office/vba/api/outlook.application.newmail
Public WithEvents myOlApp As Outlook.Application Sub Initialize_handler() Set myOlApp = Outlook.Application End Sub Private Sub myOlApp_NewMail() Dim myExplorers As Outlook.Explorers Dim myFolder As Outlook.Folder Dim x As Integer Set myExplorers = myOlApp.Explorers Set myFolder = myOlApp.GetNamespace("MAPI").GetDefaultFolder(olFolderInbox) If myExplorers.Count <> 0 Then For x = 1 To myExplorers.Count On Error GoTo skipif If myExplorers.Item(x).CurrentFolder.Name = "Inbox" Then myExplorers.Item(x).Display myExplorers.Item(x).Activate Exit Sub End If skipif: Next x End If On Error GoTo 0 myFolder.Display End Sub