Users may have been unable to access Microsoft 365 web-based services correctly when using Google Chrome

We believe this issue only impacts the latest versions of Google Chrome (Version 147). We continue to take action to identify impacted authentication configurations and take the relevant actions. Users may need to refresh their browser page to experience relief.

This quick update is designed to give the latest information on this issue.

Title: Users may be unable to access Microsoft 365 web-based services correctly when using Google Chrome

User impact: Users may be unable to access Microsoft 365 web-based services correctly when using Google Chrome.

More info: Impacted users may experience Microsoft 365 web apps and portals not rendering as expected when accessed via the Google Chrome browsers. This may include, but is not limited to:
- Microsoft 365 admin center failing to load or missing UI elements such as search bars or pages
- An inability to open Excel or PowerPoint files through Microsoft 365 web pages
- Issues accessing apps such as OneDrive and Planner through the browser

Other browsers, including Microsoft Edge, appear to be unaffected.

As a workaround, impacted users can use the Microsoft Edge browser.

Additionally, desktop based clients are unaffected, and users may be able to leverage these services.

Current status: We are updating the authentication components across various service endpoints to remediate the impact. Action has already been taken on a number of endpoints, and internal testing following these changes is showing improvement. Users may need to refresh the browser page to experience relief.

Start time: Wednesday, April 15, 2026, at 7:00 PM UTC

Scope of impact: Some users attempting to access Microsoft 365 web-based services via Google Chrome may be impacted. This information may be updated as our investigation continues.

Next update by: Thursday, April 16, 2026, at 1:30 PM UTC

Title: Users may be unable to access Microsoft 365 web-based services correctly when using Google Chrome

User impact: Users may be unable to access Microsoft 365 web-based services correctly when using Google Chrome.

More info: Impacted users may experience Microsoft 365 web apps and portals not rendering as expected when accessed via the Google Chrome browsers. This may include:

- Missing UI elements such as search bars, pages or the Microsoft 365 admin center failing to load.
- An inability to open Excel or PowerPoint files through Microsoft 365 web pages.
- Issues accessing apps such as OneDrive and Planner.

Other browsers, including Microsoft Edge, appear to be unaffected.

As a workaround, impacted users can use the Microsoft Edge browser.

Current status: We're suspecting that this issue may be related to a broader industry authentication component change affecting how some browsers validate certain authentication components. We’re working to confirm the relationship and determine the appropriate next steps.

Scope of impact: Some users attempting to access Microsoft 365 web-based services via Google Chrome may be impacted. This information may be updated as our investigation continues.

Next update by: Thursday, April 16, 2026, at 1:00 PM UTC

Title: Users may be unable to access Microsoft 365 web-based services correctly when using Google Chrome

User impact: Users may be unable to access Microsoft 365 web-based services correctly when using Google Chrome

More info: Impacted users may experience Microsoft 365 web apps and portals not rendering as expected when accessed via the Google Chrome. This may include:

- Missing UI elements such as search bars, pages or the Microsoft 365 admin center failing to load.
- An inability to open Excel or PowerPoint files through Microsoft 365 web pages.
- Issues accessing apps such as OneDrive and Planner.

Other browsers, including Microsoft Edge, appear to be unaffected.

As a workaround, impacted users can use the Microsoft Edge browser.

Current status: We're suspecting that this issue may be related to a broader industry authentication component change affecting how some browsers validate certain authentication components. We’re working to confirm the relationship and determine the appropriate next steps.

Scope of impact: Your organization is affected by this event, and some users attempting to access Microsoft 365 web-based services via Google Chrome may be impacted. This information may be updated as our investigation continues.

Next update by: Thursday, April 16, 2026, at 12:00 PM UTC

Title: Some users may be unable to access Microsoft 365 web-based services correctly when using Google Chrome

User impact: Users may be unable to access Microsoft 365 web-based services correctly when using Google Chrome.

More info: Impacted users may experience Microsoft 365 web apps and portals not rendering as expected when accessed via the Google Chrome browser. This may include:

- Missing UI elements such as search bars, pages or the Microsoft 365 admin center failing to load.
- An inability to open Excel or PowerPoint files through Microsoft 365 web pages.
- Issues accessing apps such as OneDrive and Planner following a recent Google Chrome update.

Other browsers, including Microsoft Edge, appear to be unaffected.

Current status: We’ve received reports indicating an issue with Microsoft 365 web-based services not rendering or appearing correctly when accessed via Google Chrome. We’re reviewing service monitoring telemetry to isolate the root cause and determine our next troubleshooting steps.

Scope of impact: Your organization is affected by this event, and some users attempting to access Microsoft 365 web-based services via Google Chrome may be impacted. This information may be updated as our investigation continues.

Next update by: Thursday, April 16, 2026, at 10:00 AM UTC