Status Page

O365 - Email/Outlook

2025-03-25	Status	Description
11:52 AM		EXCHANGE NOTICE Some users are receiving a misleading error when replying to or forwarding email through Outlook on the web Service Degradation More info: The error is misleading and doesn't prevent users from replying to or forwarding email through Outlook on the web. Affected users are seeing the following error message: "This message can't be saved right now. Please try again later." Current status: The service provider's additional analysis into the aforementioned error has helped us isolate a code regression that was introduced by an update to help improve service performance. They highly suspect this regression is producing errors for users when replying to or forwarding email through Outlook on the web. They're deploying a fix to address the isolated code regression and have post deployment testing scheduled with affected users to help us confirm if impact has been remediated.
10:15 AM		EXCHANGE NOTICE Some users may encounter Non-Delivery Report (NDR) failures when sending or receiving email messages Service Restored More info: Users may have received an NDR containing an error stating "554 5.6.0 Corrupt message content". Additionally, users may have intermittently received calendar invite email messages as a plain text message containing winmail.dat attachments. Users may have been able to send affected messages by attempting to resend. Final status: The service provider has completed their work to replay affected email messages and confirmed through service telemetry that NDR failure rates have returned to pre-incident thresholds; the service is maintaining a 99.99 percent success rate. Start time: Sunday, March 9, 2025, at 8:07 PM AST End time: Monday, March 24, 2025, at 3:06 PM AST