To recover your email do the following
- Sign in to your Outlook.com account (via a Computer/Laptop)
- Go to your Deleted folder (found on the left pane under Folders)
- Look for “Lost a message?”, and click “recover deleted messages”
For more: https://groups.google.com/forum/?hl=en#!topic/deleted-dbx-files-want-to-restore/Mg9-5RTzCR8
solved Somehow a folder on my MS Outlook got deleted [closed]