Change Coming for How Outlook Extracts Events from Email

The Outlook events from email feature changes from January 31, 2026. Events will only be created if notifications support the properties for events defined by schema.org. Seeking consistency is a good idea, especially if it means that Outlook can process notifications sent by airlines, car hire companies, and other event providers in a way that doesn’t happen today. However, some disruption is likely.

https://office365itpros.com/2025/09/30/events-from-email-schema/