MO1329446: Microsoft 365 suite Service Health Incident (Service Degradation)

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365 Service Alert

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Jun 1, 2026, 10:06:33 AMJun 1
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Unable to open files in Office for the web..                                                                                                                                                                                                                                                                
Microsoft

Unable to open files in Office for the web.

ID: MO1329446

Issue type: Incident

Status

Service Degradation

Impacted services

Microsoft 365 suite, SharePoint Online, Microsoft OneDrive, Microsoft Teams

Details

Title: Unable to open files in Office for the web.

User impact: Users may be unable to open files in Office for the web.

More info: Impacted Office Apps include, but are not limited to:

- Excel

When users open documents, impacted users are shown the following the following error message "Office Online services aren't available right now. We're working to restore all services as soon as possible. Please check back soon."

Current status: We're investigating service telemetry to isolate the source of the issue.

Scope of impact: This issue could impact any user attempting to access Office Apps using Office for the web or Microsoft Teams.

Next update by: Monday, June 1, 2026, at 2:30 PM UTC

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