Resolved after 6 hours 6 minutes, on January 23, 2026.
There is an issue impacting Outlook users, where email notifications may be delayed or not delivered. Microsoft is actively working on the issue. Please reference Microsoft's Status Page here: https://status.cloud.microsoft/m365
Update timeline
- identified Jan 23, 2026, 02:06 AM UTC
There is an issue impacting Outlook users, where email notifications may be delayed or not delivered. Microsoft is actively working on the issue. Please reference Microsoft's Status Page here: https://status.cloud.microsoft/m365
- resolved Jan 23, 2026, 08:12 AM UTC
This incident has been resolved.
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