Beginning Monday morning, August 31, Microsoft reported a global service issue affecting Outlook and other Microsoft 365 applications and services. Microsoft is aware of the issue and is actively working to restore full functionality.
Users may experience a range of intermittent issues, including:
- Delays, failures, or incomplete results when searching Exchange Online mailboxes
- Delays or failures when sending or receiving email messages
- Authentication errors when accessing Exchange Online services
- Difficulties accessing or performing actions within Exchange administration tools
- Intermittent disruptions affecting mailbox operations and message delivery
We are actively monitoring the situation and will provide additional updates as more information becomes available.
Thank you for your patience and understanding as Microsoft works to resolve this issue.
Day at a Glance 
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