How to batch delete all empty folders in Outlook?

To remove all empty subfolders of a certain Outlook folder, please do as follows:

1. Press "Alt" + "F11" keys to open the Microsoft Visual Basic for Applications window.

2. Click "Insert" > "Module", and paste the following VBA code into the new module window.

VBA: Delete all empty subfolders of a certain Outlook folder in bulk

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
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 xFldr.Folders.Count < 1 Then
xFldr.Delete
xFlag = True
xCount = xCount + 1
Else
FolderPurge xFldr.Folders, xFlag, xCount
End If
Else
FolderPurge xFldr.Folders, xFlag, xCount
End If
Next
End If
End Sub

3. Press "F5" or click the "Run" button to run this VBA code.

4. In the popping out Select Folder dialog box, select the specific folder whose empty subfolders you will delete in bulk, and click the "OK" button.

5. Now a Kutools for Outlook dialog box will appear, showing how many empty subfolders have been deleted. Click the "OK" button to close it.

Until now, all subfolders of the specified Outlook folder have been deleted in bulk successfully.