O365 - Email/Outlook
| 2025-10-01 | Status | Description |
|---|---|---|
| 04:45 PM |
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EXCHANGE NOTICE Some users may be unable to access their Exchange Online mailboxes or send email messages Service Degradation More info: Users' ability to access their mailbox may be impacted for the following connection methods: - Outlook on the web - Outlook desktop client - Messaging API - Representational State Transfer (REST) API - Exchange ActiveSync (EAS) Additionally, when some users attempt to send email messages using Outlook on the web, they may be stuck on a loading page for at least ten minutes after selecting the send button. Some users that are unable to access their Exchange Online mailboxes may receive an error that states "Something went wrong." Current Status: This event seems to be a reoccurrence of the issue previously communicated via EX1158764. They service provider is reviewing service telemetry to further isolate the impact scenario and determine their next steps. Scope of impact: Some users located in the Canada and North America regions attempting to access their Exchange Online mailboxes or send email messages from multiple connection methods may be impacted. |
| 04:30 PM |
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EXCHANGE NOTICE Some users may not see auto-complete suggestions when searching in Outlook on the web Service Degradation More info: Users may also not see expected results when searching with keywords. As a workaround, suggestions are working on the Outlook mobile application. Current status: The service provider identified that a recent standard service update inadvertently contains a code regression that's causing impact. They're reverting the update to mitigate impact. |
| 04:28 PM |
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EXCHANGE NOTICE Some users experienced errors or failures when accessing their mailbox in one or more Exchange Online connection methods Service restored More info: Impact more heavily affected Outlook.com users. Final status: The service provider has confirmed after a period of monitoring that service availability has returned to normal levels and the backlog of messages have been processed. Start time: Tuesday, September 30, 2025 at 8:27 PM AST End Time: Wednesday, October 1, 2025 at 8:15 AM AST |
| 04:26 PM |
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EXCHANGE NOTICE Some users may be unable to access their Exchange Online mailboxes or send email messages Service Restored More info: Users' ability to access their mailbox may have been impacted for the following connection methods: - Outlook on the web - Outlook desktop client - Messaging API - Representational State Transfer (REST) API - Exchange ActiveSync (EAS) Additionally, when some users attempted to send email messages using Outlook on the web, they may have been stuck on a loading page for at least ten minutes after selecting the send button. Some users that were unable to access their Exchange Online mailboxes may have received an error that states "Something went wrong." Final status: The deployment completed and the service provider confirmed through telemetry that impact was remediated. Scope of impact: Some users located in the Canada and North America regions attempting to access their Exchange Online mailboxes or send email messages from multiple connection methods may have been impacted. Start time: Sunday, September 21, 2025, at 9:00 AM AST End time: Tuesday, September 30, 2025, at 8:12 PM AST |
No Issue
Outage
