Examples of Managed Folder Mailbox Policy

Get-DistributionGroupMember "DL-Name" -ResultSize unlimited | where {$_.RecipientType -eq "UserMailbox"} | Set-Mailbox -ManagedFolderMailboxPolicy "Policy-ABC"

Get-Mailbox -OrganizationalUnit "OU NAME" -ResultSize unlimited | Set-Mailbox -ManagedFolderMailboxPolicy "Policy-ABC"

Get-Mailbox -ResultSize unlimited | Set-Mailbox -ManagedFolderMailboxPolicy "Policy-ABC"

Set-Mailbox "Foo User" -ManagedFolderMailboxPolicy "Policy-ABC"