Outlook.com - Don't report junk emails
Under Outlook.com, junk emails are usually reported to Microsoft. To disable this feature:
- Sign-in to your Outlook.com account.
- From your Outlook.com home-screen, click on Settings > More Mail settings.
- Go to Preventing junk email > Filters and reporting
- Scroll to "Report junk messages" and select "Don't report - The Junk button will act just like the Delete button. Nothing will be reported to Microsoft or anyone else."