Status Page

O365 - Email/Outlook

2025-04-14	Status	Description
09:57 AM		EXCHANGE NOTICE Some users may be intermittently unable to access Exchange Online any connection methods Service Restored More info: Examples of impacted connection methods were: - Outlook on the web - Messaging API (MAPI) - Representational State Transfer (REST) - Exchange ActiveSync (EAS) Final status: The service provider has determined that a portion of Exchange Online infrastructure which facilitates access to Exchange Online mailboxes through the impacted connection methods wasn't performing as efficiently as expected and resulted in intermittent access issues. Their automated recovery system restarted the affected portion of infrastructure, and they've confirmed with monitoring telemetry that the impact is resolved. Scope of impact: Some users located in Canada may have intermittently been affected by this issue when attempting to access their mailboxes using any connection methods. Start time: Sunday, April 13, 2025, at 10:47 PM AST End time: Monday, April 14, 2025, at 11:47 AM AST
09:44 AM		EXCHANGE NOTICE Some users may have been unable to access their mailbox via multiple connection methods Service restored More info: Impacted connection methods included, but weren't limited to: - Outlook on the web - Messaging API (MAPI) - Exchange ActiveSync (EAS) - Representational State Transfer (REST) Final status: The service provider has identified that a component of infrastructure, responsible for facilitating mailbox access, was unresponsive and resulted in impact. They've restarted the affected component and confirmed impact has been remediated. Scope of impact: Impact was specific to some users who were located or served through the affected infrastructure in Canada. Start time: Saturday, April 12, 2025, at 6:17 AM AST End time: Saturday, April 12, 2025, at 7:22 AM AST
09:42 AM		EXCHANGE NOTICE Users may be intermittently unable to see app installations or definitions within any Outlook connection method Service Restored Final status: After the process of increasing our service's ability to handle large amounts of traffic completed, the service provider performed an extended period of monitoring service telemetry to ensure that the aforementioned change didn't bring about any adverse effects and later confirmed that the issue has been resolved. Scope of impact: Your organization was affected by this event, and some users who attempted to view installed apps or add-ins within any Outlook connection method were intermittently impacted. Start time: Sunday, April 6, 2025, at 12:15 PM AST End time: Friday, April 11, 2025, at 1:36 PM AST

2025-04-11	Status	Description
09:50 AM		EXCHANGE NOTICE Users may be intermittently unable to see app installations or definitions within any Outlook connection method Service Degradation Current status: the service provider has identified a recent change to optimize their service which introduced an issue that resulted in an inordinate amount of traffic volume, causing users to be intermittently unable to see app installations or definitions within any Outlook connection method. While they've confirmed that impact isn't actively occurring, as of Monday, April 7, 2025, at 1:10 PM AST, they're working to develop a solution to ensure that this issue doesn't reoccur.