Title: Some users may be unable to send or receive new Exchange Online email through the native iOS mail app User impact: Users may be unable to send or receive new Exchange Online email through the native iOS mail app. Current status: We're reviewing service logs, telemetry, and contextual details provided by impacted users to gain insight into the underlying source of impact and determine our next steps. Scope of impact: Some users attempting to send or receive new Exchange Online email through the native iOS mail app may be impacted. This information may be updated as our investigation continues. Next update by: Tuesday, August 18, 2026, at 5:00 AM UTC

Title: Some users may be unable to search for content in SharePoint Online, OneDrive, Outlook on the web, or Outlook desktop User impact: Users may be unable to search for content in SharePoint Online, OneDrive, Outlook on the web, or Outlook desktop. Current status: We're reviewing service monitoring telemetry and support provided information to determine our next troubleshooting steps. Scope of impact: Impact is specific to some users served through the affected infrastructure who are attempting to search for content in SharePoint Online, OneDrive, Outlook on the web, or Outlook desktop. Next update by: Monday, August 17, 2026, at 3:00 PM UTC

We’re investigating an availability issue.

We are investigating reports of the API being unavailable. Our team is actively working to identify the cause and will provide an update within 30 minutes.

We are aware of an issue currently affecting some Aeries API syncs and are actively investigating on our end. We will post more information as soon as possible. We apologize for any inconvenience this may be causing.

Our team is investigating reports of performance/availability problems on your website. We will provide additional information as soon as possible.

Title: Users may be unable to sign in to OneNote using iOS devices User impact: Users may be unable to sign in to OneNote using iOS devices. Current status: We've identified that a recent change to the sign in flow may be causing impact to occur. We've reverted the change but this did not resolve the issue. We're analyzing OneNote logs from impacted users as well as OneNote logs from our internal reproduction of the issue to assist us in identifying the underlying root cause of impact. Scope of impact: Any user attempting to sign in to OneNote build 16.112.717.0 or higher using iOS devices is impacted. Next update by: Friday, August 14, 2026, at 2:00 PM UTC

We’re investigating a performance issue.

The issue has been identified and a fix is being implemented.

We’re aware of an issue currently affecting some Aeries API syncs and are actively investigating on our end. We will post more information as soon as possible. We apologize for any inconvenience this may be causing.

We’re investigating an availability issue.

We’re investigating a performance issue.

Our monitoring systems have alerted to a potential issue.

We are currently investigating reports of increased latency and slower-than-normal performance affecting some Hosted customers. Our team has identified the source of the issue and is actively working to restore normal performance.

We’re investigating a performance issue.