Using New Outlook on Windows for personal email, calendar, and contact management
It has been 2025 already and this feature is not yet "implemented". Maybe microsoft forgot about it.
I think the best we are ever going to get is:
- Snooze an Inbox email
https://support.microsoft.com/en-us/office/getting-started-with-the-new-outlook-for-windows-656bb8d9-5a60-49b2-a98b-ba7822bc7627#:~:text=Sometimes%20email%20is%20very%20important,want%20it%20to%20be%20delivered. - Create a To Do from the email
https://support.microsoft.com/en-us/office/drag-a-message-to-create-a-task-cdc1a3de-4e4c-44f6-8921-77a8cd43e971
You can vote for this feature request. Who knows?
https://feedbackportal.microsoft.com/feedback/idea/cf17d3ff-62f8-ee11-a73d-6045bd7e894e