How do i restore a mailbox folder in Exchange Online?

A user mistakenly deleted all email in a subfolder of his inbox. The user does not know when the email was deleted, just that the subfolder is empty now. Litigation hold is enabled. How can I restore the specific folder from a specific date? I do not want to restore the entire mailbox.

thank you
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Vasil Michev (MVP)Commented:
First of all, check whether the messages are not simply moved to the corresponding (sub)folder in the archive mailbox, if such is enabled. If the items have been removed recently, they can be found in the Deleted Items container, or the "Recover Deleted Items" one ( If they are not found in either of these, to recover the messages you need to perform an eDiscovery search via the EAC ( or via PowerShell (either Search-Mailbox or New-MailboxSearch cmdlets).

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cyberleo2000Author Commented:
I need to restore messages that were in a specific folder, nothing more. EAC eDiscovery does not give me that option and, as described in my question,  I am running Exchange Online, not Exchange 2010.

Can anyone tell me if it is possible to restore messages from a specific subfolder in Exchange Online? Not the entire mailbox, just a specific folder.

thank you
cyberleo2000Author Commented:
I need to be able to recover emails based on the folder they were in. Example: I have a folder named OldEmail. The emails in this folder were deleted. They are not in the deleted items folder nor are they in the dumpster.

The folder that they were in is the only thing that these emails have in common.

How can I tell Exchange Online to restore the contents of a mailbox folder from a specific date?
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