How do I create a subfolder in Outlook from an Excel VBA application ?

Hi All,

I have an Excel VBA application in which I open Outlook and create a folder. However, I would like to create a subfolder from the main folder but don't seem to be able to do so. Can anyone help ? My current code is below....

   Answer = MsgBox("Create a new Outlook folder ?", vbYesNoCancel)
   
   If Answer = vbYes Then
      OutlookFolderName = teOrderNo & " " & coClientName & " - " & coHeading
      
      Set ol = CreateObject("Outlook.Application")
      Set ns = ol.GetNamespace("MAPI")
      ParentFolder = "Personal Folders"
      MainFolder = "_Toco Orders"
      Set fl = ns.Folders.Item(ParentFolder).Folders.Item(MainFolder)
      fn = OutlookFolderName
   
      If Len(fn) > 0 Then
         Set mf = fl.Folders.Add(fn)
         Set mf = Nothing
         Set fl = Nothing
         Set ns = Nothing
         Set ol = Nothing
         MsgBox "A new Outlook folder has been created successfully", vbInformation
      End If
            
   End If

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Many thanks
Toco