Moreover, it’s suggested to keep a PST fix tool in vicinity, like DataNumen Outlook Repair. Thus, in order to better safeguard your Outlook data, you have to back up your Outlook PST file on a periodical basis. Without any doubts, Outlook is vulnerable to errors. Have you ever received any error messages during using Outlook? If you’ve used Outlook for decades, you must have.

You can see that all the subfolders have been collapsed. After that, re-click the arrow to expand the file. To do it, you can click on the arrow in front of the top-level folder of the PST file, like the following screenshot. You can just collapse the root of the specific Outlook PST file and then expand it again. Immediately, all the mail folders in the predefined Outlook PST file will be expanded.Ĭompared with expanding all mail folders, collapsing is much easier.After that, you can click the “Run Sub” button in the toolbar or press F5 key to trigger the new macro.Set = objCurFolderįor Each objSubfolder In objCurFolder.Folders If objCurFolder.DefaultItemType = olMailItem Then Sub ProcessFolder(ByVal objCurFolder As Outlook.Folder) 'Change 'PSTName' to the name of your own Outlook PST file Subsequently, copy the following VBA codes into this module.Next in the Outlook VBA editor window, open a blank module.Then press “Alt + F11” key buttons in the main Outlook window.In the first place, start your Outlook program normally.Now, here we will unveil such a means to you. Therefore, you must long for a much quick method that can expand or collapse all the mail folders in one go. At this point, if you expand or collapse them manually via clicking one by one, it will be considerably tedious. Equally, when you feel that keeping all folders expanded makes your mail navigation pane looks too complex, you may wish to collapse all the folders. In this case, you can utilize the methods introduced in this post.įor some reasons, such as to check the emails in different folders and subfolders more conveniently, you may want to expand all the mail folders.

At times, you may want to expand or collapse all mail folders in the mail navigation pane in one go.

Expand all folders windows 10