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How to open all subfolders from Outlook?

If you create multiple subfolders under your Outlook folders, how could you open or expand all of these subfolders immediately? This article, I will introduce a useful VBA code for you to solve this job.

Open or expand all subfolders from Outlook with VBA code

Open or expand all subfolders from Outlook with VBA code

Please apply the following VBA code to expand all subfolders from all Outlook accounts:

1. Hold down the ALT + F11 keys to open the Microsoft Visual Basic for Applications window.

2. Click Insert > Module, and paste the following macro in the Module Window.

VBA code: Open all subfolders from Outlook:

Sub ExpandAllMailFolders()
    Dim xCurrentFolder As Folder
    Dim xAllFolders As Folders
    Dim xFolder As Folder
    On Error Resume Next
    Set xCurrentFolder = Application.ActiveExplorer.CurrentFolder
    Set xAllFolders = Application.Session.Folders
    For Each xFolder In xAllFolders
        Call ProcessFolders(xFolder)
    Set Application.ActiveExplorer.CurrentFolder = xCurrentFolder
End Sub
Sub ProcessFolders(ByVal CurFolder As Folder)
    Dim xSubfolder As Folder
    On Error Resume Next
    If CurFolder.DefaultItemType <> olMailItem Then Exit Sub
    Set Application.ActiveExplorer.CurrentFolder = CurFolder
    If CurFolder.Folders.Count = 0 Then Exit Sub
    For Each xSubfolder In CurFolder.Folders
        Call ProcessFolders(xSubfolder)
End Sub

3. Then press F5 key to run this code, and all subfolders in all accounts of your Outlook have been expanded, see screenshot:

doc expand subfolders 1

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    Doug Fisher · 2 years ago
    I have been looking for this answer for a long time! Thank you.