Everyone knows that when you delete a mail in Outlook, it goes in a Deleted Items folder until you delete it permanently.

Heh, "permanently." TIL that (at least on $work's Outlook) mail you delete from Deleted Items goes to a hidden "Recoverable Items" folder, where it stays until you delete it from *there.* Just purged about 1500 previously deleted mails.

"When you throw something away, what does 'away' mean?"