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Outlook | Windows | New Outlook for Windows | For home
Using New Outlook on Windows for personal email, calendar, and contact management
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Based on your description and the screenshot, this does not appear to be an Outlook mail item issue. The closed support thread seems to be stuck in the Help > Support pane in New Outlook, and there is currently no documented option available to manually delete support conversations created through the in-app Support experience.
To better understand the behavior, could you please confirm the following:
- Are you unable to create a new support request because the closed thread remains displayed?
- Or does the old thread simply remain visible, while new requests can still be created?
- If you close the Support pane using the X in the upper-right corner and then reopen Help > Support, does the same thread reappear?
As an initial troubleshooting step, please sign out of New Outlook, sign back in, and ensure the application is fully updated. If the issue persists, let us know whether the behavior is also reproduced in Outlook on the web.