要刪除某個Outlook文件夾的所有空子文件夾，請執行以下操作：

1。 按 其他 + F11 鍵以打開“ Microsoft Visual Basic應用程序”窗口。

2。 點擊 插入 > 模塊，然後將以下VBA代碼粘貼到新的模塊窗口中。

VBA：批量刪除某些Outlook文件夾的所有空子文件夾

Public Sub DeletindEmtpyFolder()
Dim xFolders As Folders
Dim xCount As Long
Dim xFlag As Boolean
Set xFolders = Application.GetNamespace("MAPI").PickFolder.Folders
Do
FolderPurge xFolders, xFlag, xCount
Loop Until (Not xFlag)
If xCount > 0 Then
MsgBox "Deleted " & xCount & "(s) empty folders", vbExclamation + vbOKOnly, "Kutools for Outlook"
Else
MsgBox "No empty folders found", vbExclamation + vbOKOnly, "Kutools for Outlook"
End If
End Sub

Public Sub FolderPurge(xFolders, xFlag, xCount)
Dim I As Long
Dim xFldr As Folder 'Declare sub folder objects
xFlag = False
If xFolders.Count > 0 Then
For I = xFolders.Count To 1 Step -1
Set xFldr = xFolders.Item(I)
If xFldr.Items.Count < 1 Then 'If the folder is empty check for subfolders
If xFldr.Folders.Count < 1 Then 'If the folder contains not sub folders confirm deletion
xFldr.Delete 'Delete the folder
xFlag = True
xCount = xCount + 1
Else 'Folder contains sub folders so confirm deletion
FolderPurge xFldr.Folders, xFlag, xCount
End If
Else 'Folder contains items or (subfolders that may be empty).
FolderPurge xFldr.Folders, xFlag, xCount
End If
Next
End If
End Sub

3。 按 F5 鍵或 跑 按鈕以運行此VBA代碼。

4。 在彈出的“選擇文件夾”對話框中，選擇要批量刪除其空子文件夾的特定文件夾，然後單擊 OK 按鈕。 看截圖：

5。 現在出現了Kutools for Outlook對話框，並顯示了刪除了多少個空子文件夾。 點擊 OK 按鈕將其關閉。

到目前為止，已批量刪除了指定Outlook文件夾的所有子文件夾。