Suggestions: Before Every Logout send Automatic Notification, Message "Empty Trash - Yes / No" on the screen.
Before Every Logout from outlook.com send Automatic Notification, Message "Empty Deleted Items Folder - Yes / No" on the screen.
By this feature you will always clean your Trash, Get more organized, your outlook.com will be more Neat & Clean.
If you like the suggestion then plz let me know.
Same suggestion is given to Yahoomail, Gmail & Outlook.com on 25-December-2019.
Let us see who first implements it.