Microsoft 365

Title: Users are unable to access Microsoft 365 services in South America User impact: Some users are unable to access Microsoft 365 services. More info: User reports indicate that impact is primarily to Outlook, though other Microsoft 365 services and features may be affected. Current Status: We are aware of an emerging issue where some users are unable to access Microsoft 365 services. We are investigating the issue and will provide another update within the next 30 minutes.

Users are reporting issues affecting Microsoft Power Automate.

Title: Some users may not be able to access Exchange Online through Outlook on the web and are returned an error message User impact: Users may not be able to access Exchange Online through Outlook on the web and are returned an error message. More info: Users with access to the Outlook desktop or mobile client may use these to bypass impact while we investigate the issue. Affected users may be returned a "Page not found" error message when attempting to access their Exchange Online mailboxes using Outlook on the web. Current status: We're investigating a potential issue with Exchange Online and checking for impact to your organization. We'll provide an update within 30 minutes.

Title: Users may not be able to load the search bar in Microsoft OneDrive User impact: Users may not be able to load the search bar in Microsoft OneDrive. Current status: We've reproduced the issue in our environment, and we're reviewing traces collected while the issue is occurring to pinpoint the source of the failure. Scope of impact: This event impacts any user attempting to use the search bar in Microsoft OneDrive. Next update by: Thursday, April 30, 2026, at 6:30 PM UTC

Title: Possible delays or problems when accessing SharePoint Online User impact: Some customers have reported issues with accessing the service, or using features in SharePoint Online. Current status: We’re looking into your reported issue and checking for impact to your organization. We'll provide an update within one hour.

Title: Some users may be unable to access links to other apps provided by Microsoft 365 Copilot Chat prompts User impact: Users may be unable to access links to other apps provided by Copilot Chat prompts. More info: Users may receive an error or be directed to a page that never loads when clicking links to other apps provided by Copilot Chat prompts. This issue impacts any service where Copilot Chat can be utilized, which includes but may not be limited to the following: - Microsoft Teams - Word - Excel - PowerPoint - Outlook - OneNote Current status: During our internal testing of a new update to increase the number of URLs allowed when routing universal links, we identified that a code error was introduced which results in users being unable to access links to other apps generated by Copilot Chat prompts. We've created and completed validations of a code fix to remediate impact, and we anticipate our code fix reaching all affected users by Wednesday, May 13, 2026. We aim to provide updates on our timeline to remediation as the deployment progresses. Scope of impact: This issue impacts users attempting to click or access app links provided by Copilot Chat prompts who may not be redirected as expected. This section may be updated as the investigation progresses. Start time: Wednesday, April 29, 2026, at 12:00 AM UTC Root cause: A new update to increase the number of URLs allowed when routing universal links has introduced a code error, which results in users being unable to access app links provided by Copilot Chat prompts. Next update by: Thursday, May 07, 2026, at 8:00 PM UTC

Users across the USA report being unable to log into their email accounts, frequent re-login requests, and issues with fetching messages on mobile devices.

Title: Some users may not receive results when performing searches in SharePoint Online User impact: Users may not receive results when performing searches in SharePoint Online. Current status: We've received multiple user reports of users receiving no results when performing searches within SharePoint Online. We're in the process of analyzing service telemetry in conjunction with browser captures provided by affected users to assist in isolating the root cause of impact and determine our next steps. Scope of impact: Any users attempting searches in SharePoint Online may not receive results. Next update by: Friday, May 01, 2026, at 11:00 PM UTC