Esta pergunta frequentemente feita é respondida aqui.
link
Usa ItemAdd para fazer o que o Newmail, agora NewMailEx, faria.
No módulo ThisOutlookSesion
Private WithEvents Items As Outlook.Items
Private Sub Application_Startup()
Dim olApp As Outlook.Application
Dim objNS As Outlook.NameSpace
' set object reference to default Inbox
Set olApp = Outlook.Application
Set objNS = olApp.GetNamespace("MAPI")
Set Items = objNS.GetDefaultFolder(olFolderInbox).Items
End Sub
Private Sub Items_ItemAdd(ByVal item As Object)
' fires when new item added to default Inbox
' (per Application_Startup)
On Error GoTo ErrorHandler
Dim Msg As Outlook.MailItem
Dim olApp As Outlook.Application
Dim objNS As Outlook.NameSpace
Dim targetFolder As Outlook.MAPIFolder
Dim senderName As String
' don't do anything for non-Mailitems
If TypeName(item) <> "MailItem" Then GoTo ProgramExit
Set Msg = item
' move received email to target folder based on sender name
senderName = Msg.senderName
If CheckForFolder(senderName) = False Then ' Folder doesn't exist
Set targetFolder = CreateSubFolder(senderName)
Else
Set olApp = Outlook.Application
Set objNS = olApp.GetNamespace("MAPI")
Set targetFolder = _
objNS.GetDefaultFolder(olFolderInbox).Folders(senderName)
End If
Msg.Move targetFolder
ProgramExit:
Exit Sub
ErrorHandler:
MsgBox Err.Number & " - " & Err.Description
Resume ProgramExit
End Sub
Function CheckForFolder(strFolder As String) As Boolean
' looks for subfolder of specified folder, returns TRUE if folder exists.
Dim olApp As Outlook.Application
Dim olNS As Outlook.Namespace
Dim olInbox As Outlook.MAPIFolder
Dim FolderToCheck As Outlook.MAPIFolder
Set olApp = Outlook.Application
Set olNS = olApp.GetNamespace("MAPI")
Set olInbox = olNS.GetDefaultFolder(olFolderInbox)
' try to set an object reference to specified folder
On Error Resume Next
Set FolderToCheck = olInbox.Folders(strFolder)
On Error Goto 0
If Not FolderTocheck Is Nothing Then
CheckForFolder = True
End If
ExitProc:
Set FolderToCheck = Nothing
Set olInbox = Nothing
Set olNS = Nothing
Set olApp = Nothing
End Function
Function CreateSubFolder(strFolder As String) As Outlook.MAPIFolder
' assumes folder doesn't exist, so only call if calling sub knows that
' the folder doesn't exist; returns a folder object to calling sub
Dim olApp As Outlook.Application
Dim olNS As Outlook.Namespace
Dim olInbox As Outlook.MAPIFolder
Set olApp = Outlook.Application
Set olNS = olApp.GetNamespace("MAPI")
Set olInbox = olNS.GetDefaultFolder(olFolderInbox)
Set CreateSubFolder = olInbox.Folders.Add(strFolder)
ExitProc:
Set olInbox = Nothing
Set olNS = Nothing
Set olApp = Nothing
End Function