Please follow below steps to copy Outlook folder structure to the desktop or windows explorer.

1. On the Navigation Pane, please click to highlight the specified folder whose folder structure you will copy, and press Alt + F11 keys to open the Microsoft Visual Basic for Applications window.

2. Click Tools > References to open the References dialog box. Then in the dialog box check the Microsoft Scripting Runtime option, and click the OK button. See screenshot:

3. Click Insert > Module, and copy and paste below VBA code into the new module window.

VBA: Copy Outlook folder structure to windows explorer

Dim xFSO As Scripting.FileSystemObject
Sub CopyOutlookFldStructureToWinExplorer()
    ExportAction "Copy"
End Sub
  
Sub ExportAction(xAction As String)
Dim xFolder As Outlook.Folder
Dim xFldPath As String
xFldPath = SelectAFolder()
If xFldPath = "" Then
    MsgBox "You did not select a folder. Export cancelled.", vbInformation + vbOKOnly, "Kutools for Outlook"
Else
    Set xFSO = New Scripting.FileSystemObject
    Set xFolder = Outlook.Application.ActiveExplorer.CurrentFolder
    ExportOutlookFolder xFolder, xFldPath
End If
Set xFolder = Nothing
Set xFSO = Nothing
End Sub

Sub ExportOutlookFolder(ByVal OutlookFolder As Outlook.Folder, xFldPath As String)
Dim xSubFld As Outlook.Folder
Dim xItem As Object
Dim xPath As String
Dim xFilePath As String
Dim xSubject As String
Dim xCount As Integer
Dim xFilename As String
On Error Resume Next
xPath = xFldPath & "\" & OutlookFolder.Name
'?????????,??????
If Dir(xPath, 16) = Empty Then MkDir xPath
For Each xItem In OutlookFolder.Items
    xSubject = ReplaceInvalidCharacters(xItem.Subject)
    xFilename = xSubject & ".msg"
    xCount = 0
    xFilePath = xPath & "\" & xFilename
    If xFSO.FileExists(xFilePath) Then
        xCount = xCount + 1
        xFilename = xSubject & " (" & xCount & ").msg"
        xFilePath = xPath & "\" & xFilename
    End If
    xItem.SaveAs xFilePath, olMSG
Next
For Each xSubFld In OutlookFolder.Folders
    ExportOutlookFolder xSubFld, xPath
Next
Set OutlookFolder = Nothing
Set xItem = Nothing
End Sub

Function SelectAFolder() As String
Dim xSelFolder As Object
Dim xShell As Object
On Error Resume Next
Set xShell = CreateObject("Shell.Application")
Set xSelFolder = xShell.BrowseForFolder(0, "Select a folder", 0, 0)
If Not TypeName(xSelFolder) = "Nothing" Then
    SelectAFolder = xSelFolder.self.Path
End If
Set xSelFolder = Nothing
Set xShell = Nothing
End Function
  
Function ReplaceInvalidCharacters(Str As String) As String
Dim xRegEx
Set xRegEx = CreateObject("vbscript.regexp")
xRegEx.Global = True
xRegEx.IgnoreCase = False
xRegEx.Pattern = "\||\/|\<|\>|""|:|\*|\\|\?"
ReplaceInvalidCharacters = xRegEx.Replace(Str, "")
End Function

4. Press F5 key or click the Run button to run this VBA.

5. In the popping out Browse For Folder dialog box, please select the specified folder you will place the copied folder structure, and click the OK button. See screenshot:

Now go to the specified folder, you will see the folder structure is copied to the specified hard disc. See screenshot:

Note: the folder items, such as emails, appointments, tasks, etc. are also copied into corresponding folders in the hard disc.

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