
The following command lists all non-system public folders in the dumpster: Get-PublicFolder \NON_IPM_SUBTREE\DUMPSTER_ROOT -Recurse -ResultSize Unlimited | where Set-PublicFolder $pf.identity -Path \Parent1 Restore a deleted public folderĭetermine if the public folder you want to restore is in the public folder dumpster. By default, this role is assigned to users present in the Organization Management role group.

The user restoring the public folder must have the Public Folders role assigned to them. After a public folder has been permanently deleted, you can't restore it, unless the folder is preserved under DiscoveryHolds by a retention policy. The folders in the dumpster are permanently deleted after the retention period ends. See this blog post for details on LOST_AND_FOUND and how to recover folders if you find them there.

In rare scenarios, you might also find folders under \NON_IPM_SUBTREE\LOST_AND_FOUND. Restoring the public folder will restore all subfolders and items present in the folder.

You can restore folders that are preserved in the public folder dumpster or under the DiscoveryHolds folder using Exchange Online PowerShell. Deleted folders are preserved there until the retention period ends.įor the scenarios where public folder contents are put on hold using retention policies, the folders that are removed from \NON_IPM_SUBTREE\DUMPSTER_ROOT are preserved under \NON_IPM_SUBTREE\DiscoveryHolds until the retention hold period ends. Public folders that have been deleted by users (using clients like Outlook) or admins (using administrative tools like PowerShell or the Exchange admin center) are normally stored in the public folder dumpster located in \NON_IPM_SUBTREE\DUMPSTER_ROOT. This article walks you through the steps to restore a deleted public folder in Exchange Online.
