How to automatically expand all folders when starting Outlook?

In order to expand that folder without clicking on it, I can left-click the Inbox folder and then press the Windows Key at the same time you press the Asterisk key on the numeric keypad on your keyboard: (This is the Windows Key) As you can see, the Renewal Tracking folder has expanded one level. If I had other first level folders, they would. To collapse or expand all the headings in your document, right-click the heading and click Expand/Collapse Expand All Headings or Collapse All Headings. When you close and reopen a document, the headings will be expanded by default. If you want the document to open with the headings collapsed, follow these steps.

Generally speaking, if you expand or collapse a folder on the Navigation Pane and then close the Outlook, the folder will remain expanding or collapsing when restarting Outlook. But now, is there a way to expand all folders automatically when starting Outlook? This article will introduce a VBA to complete the task.

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Automatically expand all folders when starting Outlook with VBA

This method will introduce a VBA to automatically expand all folders on the Navigation Pane when you start Outlook. Please apply this VBA as follows:

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

2. Expand the Project 1 and Microsoft Outlook Objects in the Project pane, double click to open the ThisOutlookSession window, and then paste below VBA code into it.

VBA: Automatically expand all folders in Outlook

3. Save the code and close the Microsoft Visual Basic for Applications window.

Collapse/expand feature in outlook email

From now on, when restarting Outlook, all folders will be automatically expanded in Outlook.Note: This VBA cannot open the collapsed search folders when restarting Outlook.

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Reply (All) With All Attachments in the mail conversation; Reply Many Emails in seconds; Auto Add Greeting when reply; Add Date into subject...
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Collapse/expand Feature In Outlook

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Collapse All Outlook

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Collapse/expand Feature In Outlook 365

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Thank you so much.. It solved my problem. :)