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Exchange Online mailboxes unavailable

November 3, 2025 at 11:36 PM UTC

Microsoft

Resolved after 22h 29m November 4, 2025 at 10:05 PM UTC

Issue Resolved | 08:17pm Central - Microsoft reports that the issue is now resolved. The Atelic Technology Services Department appreciates your patience and understanding while working through this service outage. If the issue is still occurring, please contact the Technology Services Department. This will be the last update unless the issue recurs.

Vendor Investigating | 06:26pm Central - Microsoft continues to investigate the issue. Microsoft reports that users are unable to access their Exchange Online mailbox via any connection method. The Atelic Technology Services Department has not been able to validate this report but are monitoring further updates from Microsoft. End user disruption may occur for this issue.

Report Received | 05:36pm Central - We are investigating a potential issue that might affect the uptime of one of our services. Microsoft reports that users are unable to access their Exchange Online mailbox via any connection method. The Atelic Technology Services Department has not been able to validate this report but are monitoring further updates from Microsoft. End user disruption may occur for this issue.

Last updated: November 4, 2025 at 10:07 PM UTC