https://www.aguidetocloud.com/service-health/ Microsoft 365 service health incidents — tracked and searchable en Fri, 17 Apr 2026 17:05:07 +0000 https://www.aguidetocloud.com/service-health/#CP1283380 [Microsoft Copilot (Microsoft 365)] Affected users may have been unable to use Copilot services and features. Microsoft Copilot (Microsoft 365) serviceRestored CP1283380 Fri, 17 Apr 2026 15:07:37 +0000 https://www.aguidetocloud.com/service-health/#CP1282908 [Microsoft Copilot (Microsoft 365)] Users may see a delay in certain Copilot usage reports in the Microsoft 365 admin center. Microsoft Copilot (Microsoft 365) serviceDegradation CP1282908 Fri, 17 Apr 2026 00:00:00 +0000 https://www.aguidetocloud.com/service-health/#MO1282907 [Microsoft 365 suite] Users may see a delay in certain reports in the Microsoft 365 admin center. Microsoft 365 suite serviceDegradation MO1282907 Fri, 17 Apr 2026 00:00:00 +0000 https://www.aguidetocloud.com/service-health/#MO1281730 [Microsoft 365 suite] Users may have been unable to access Microsoft 365 web-based services correctly when using Google Chrome. Microsoft 365 suite serviceRestored MO1281730 Wed, 15 Apr 2026 19:00:00 +0000 https://www.aguidetocloud.com/service-health/#CP1281119 [Microsoft Copilot (Microsoft 365)] Users intermittently may be unable to run queries in Microsoft 365 Copilot and receive an error message. Microsoft Copilot (Microsoft 365) serviceDegradation CP1281119 Wed, 15 Apr 2026 16:44:18 +0000 https://www.aguidetocloud.com/service-health/#IT1281088 [Microsoft Intune] Users may be unable to access the Microsoft Intune web app from a managed Microsoft Edge iOS browser. Microsoft Intune serviceRestored IT1281088 Wed, 15 Apr 2026 14:43:06 +0000 https://www.aguidetocloud.com/service-health/#EX1280763 [Exchange Online] Admins are unable to progress mailbox migrations in Exchange Online. Exchange Online serviceDegradation EX1280763 Wed, 15 Apr 2026 08:36:58 +0000 https://www.aguidetocloud.com/service-health/#CP1280167 [Microsoft Copilot (Microsoft 365)] Users may have seen delays when accessing Copilot Suggested Notebooks. Microsoft Copilot (Microsoft 365) serviceRestored CP1280167 Tue, 14 Apr 2026 21:56:00 +0000 https://www.aguidetocloud.com/service-health/#IT1281212 [Microsoft Intune] Users may have been unable to access the Microsoft Intune web app from a managed Microsoft Edge iOS browser. Microsoft Intune serviceRestored IT1281212 Tue, 14 Apr 2026 00:24:00 +0000 https://www.aguidetocloud.com/service-health/#EX1280216 [Exchange Online] Admins may experience failures when running admin operations the admin portal in Exchange Online. Exchange Online serviceDegradation EX1280216 Mon, 13 Apr 2026 22:00:00 +0000 https://www.aguidetocloud.com/service-health/#EX1278714 [Exchange Online] Users may have been unable to access email messages in Outlook Mobile when connecting to Exchange on‑premises. Exchange Online serviceRestored EX1278714 Fri, 10 Apr 2026 17:30:00 +0000 https://www.aguidetocloud.com/service-health/#CP1277749 [Microsoft Copilot (Microsoft 365)] Users may have experienced degraded file search results in Copilot. Microsoft Copilot (Microsoft 365) serviceRestored CP1277749 Fri, 10 Apr 2026 13:00:00 +0000 https://www.aguidetocloud.com/service-health/#CW1276339 [Microsoft 365 Copilot Chat] Users' responses from Microsoft 365 Copilot Chat were delayed up to seven seconds or longer. Microsoft 365 Copilot Chat serviceRestored CW1276339 Fri, 10 Apr 2026 06:00:00 +0000 https://www.aguidetocloud.com/service-health/#MO1280165 [Microsoft 365 suite] Admins may see delays occur with several reports in the Microsoft 365 Admin Center. Microsoft 365 suite serviceDegradation MO1280165 Fri, 10 Apr 2026 00:00:00 +0000 https://www.aguidetocloud.com/service-health/#EX1275040 [Exchange Online] Users may be unable to download or open email attachments in Outlook on the web. Exchange Online serviceDegradation EX1275040 Thu, 09 Apr 2026 04:00:00 +0000 https://www.aguidetocloud.com/service-health/#MO1274150 [Microsoft 365 suite] Users may have experienced intermittent delays in email delivery and access to Microsoft 365 services. Microsoft 365 suite serviceRestored MO1274150 Wed, 08 Apr 2026 14:38:00 +0000 https://www.aguidetocloud.com/service-health/#MO1279825 [Microsoft 365 suite] Admins saw delays with some reports in the Microsoft 365 admin center. Microsoft 365 suite serviceRestored MO1279825 Wed, 08 Apr 2026 00:00:00 +0000 https://www.aguidetocloud.com/service-health/#MO1273099 [Microsoft 365 suite] Users may have been unable to access multiple Microsoft 365 services. Microsoft 365 suite serviceRestored MO1273099 Tue, 07 Apr 2026 13:20:00 +0000 https://www.aguidetocloud.com/service-health/#CP1272944 [Microsoft Copilot (Microsoft 365)] Users may have been unable to load pages when accessing Copilot. Microsoft Copilot (Microsoft 365) serviceRestored CP1272944 Tue, 07 Apr 2026 06:15:00 +0000 https://www.aguidetocloud.com/service-health/#MO1272387 [Microsoft 365 suite] A subset of admins in North America and Brazil may have been unable to access the Microsoft 365 admin center. Microsoft 365 suite postIncidentReviewPublished MO1272387 Mon, 06 Apr 2026 17:45:00 +0000 https://www.aguidetocloud.com/service-health/#CP1273314 [Microsoft Copilot (Microsoft 365)] Users may have seen stale or delayed data in the Microsoft Copilot Dashboard within Microsoft Viva Insights. Microsoft Copilot (Microsoft 365) serviceRestored CP1273314 Mon, 06 Apr 2026 16:00:00 +0000 https://www.aguidetocloud.com/service-health/#CP1270722 [Microsoft Copilot (Microsoft 365)] Admins may have seen stale or delayed Microsoft 365 Copilot report metrics in the Microsoft 365 admin center. Microsoft Copilot (Microsoft 365) serviceRestored CP1270722 Sat, 04 Apr 2026 23:00:00 +0000 https://www.aguidetocloud.com/service-health/#MO1272581 [Microsoft 365 suite] Users may have seen delays with some reports in the Microsoft 365 admin center. Microsoft 365 suite serviceRestored MO1272581 Sat, 04 Apr 2026 00:00:00 +0000 https://www.aguidetocloud.com/service-health/#MO1268972 [Microsoft 365 suite] Users may have been unable to access the Microsoft 365 web sign-in page and the Microsoft 365 Copilot web sign‑in page. Microsoft 365 suite serviceRestored MO1268972 Thu, 02 Apr 2026 20:40:00 +0000 https://www.aguidetocloud.com/service-health/#MO1268822 [Microsoft 365 suite] Admins may have been unable to access or experience delays accessing the Microsoft 365 admin center Microsoft 365 suite postIncidentReviewPublished MO1268822 Thu, 02 Apr 2026 18:30:00 +0000 https://www.aguidetocloud.com/service-health/#MV1268751 [Microsoft Viva] Users may have been unable to load Microsoft Viva Insights. Microsoft Viva serviceRestored MV1268751 Thu, 02 Apr 2026 16:53:00 +0000 https://www.aguidetocloud.com/service-health/#CW1268725 [Microsoft 365 Copilot Chat] Users' queries may have failed with an error in Copilot Chat. Microsoft 365 Copilot Chat serviceRestored CW1268725 Thu, 02 Apr 2026 12:00:00 +0000 https://www.aguidetocloud.com/service-health/#IT1272653 [Microsoft Intune] Users may have been unable to install user targeted apps that have been made available in the Intune Company Portal. Microsoft Intune serviceRestored IT1272653 Thu, 02 Apr 2026 03:30:00 +0000 https://www.aguidetocloud.com/service-health/#MV1269743 [Microsoft Viva] Users may have been unable to load the Data Quality page in Microsoft Viva Insights and received an error. Microsoft Viva serviceRestored MV1269743 Thu, 02 Apr 2026 02:37:00 +0000 https://www.aguidetocloud.com/service-health/#MP1274841 [Microsoft Purview] Admins may have been unable to access Activity Explorer in the Microsoft Purview portal. Microsoft Purview serviceRestored MP1274841 Wed, 01 Apr 2026 00:00:00 +0000 https://www.aguidetocloud.com/service-health/#CP1266855 [Microsoft Copilot (Microsoft 365)] Users’ prompts in GPT 5.4 Think Deeper mode in Microsoft 365 Copilot may have returned a failure response. Microsoft Copilot (Microsoft 365) serviceRestored CP1266855 Tue, 31 Mar 2026 03:30:00 +0000 https://www.aguidetocloud.com/service-health/#MP1266046 [Microsoft Purview] If not addressed, collection and Data Loss Prevention policies for user data uploads to unmanaged apps may not work. Microsoft Purview investigationSuspended MP1266046 Mon, 30 Mar 2026 22:21:33 +0000 https://www.aguidetocloud.com/service-health/#MP1269923 [Microsoft Purview] Admins may have been unable to see some policy events in the Microsoft Purview Communication Compliance portal. Microsoft Purview serviceRestored MP1269923 Mon, 30 Mar 2026 13:00:00 +0000 https://www.aguidetocloud.com/service-health/#OD1281099 [Microsoft OneDrive] Users may be missing options to open files using custom file handlers in OneDrive. Microsoft OneDrive serviceRestored OD1281099 Sun, 29 Mar 2026 23:00:00 +0000 https://www.aguidetocloud.com/service-health/#SP1280824 [SharePoint Online] Some users may be missing options to open files using custom file handlers in SharePoint Online  SharePoint Online serviceRestored SP1280824 Sun, 29 Mar 2026 23:00:00 +0000 https://www.aguidetocloud.com/service-health/#MO1263631 [Microsoft 365 suite] Admins may have seen stale or delayed data in ProPlusUsage reports within the Microsoft 365 admin center. Microsoft 365 suite serviceRestored MO1263631 Sat, 28 Mar 2026 00:00:00 +0000 https://www.aguidetocloud.com/service-health/#SP1266250 [SharePoint Online] Users may have been unable to access the new Clipchamp start page in SharePoint Online. SharePoint Online serviceRestored SP1266250 Fri, 27 Mar 2026 04:39:00 +0000 https://www.aguidetocloud.com/service-health/#CP1262553 [Microsoft Copilot (Microsoft 365)] Admins may have seen stale or delayed Copilot report metrics in the Microsoft 365 admin center. Microsoft Copilot (Microsoft 365) serviceRestored CP1262553 Thu, 26 Mar 2026 11:09:00 +0000 https://www.aguidetocloud.com/service-health/#EX1260260 [Exchange Online] Users may be unable to access archived email messages in Outlook on the web. Exchange Online investigationSuspended EX1260260 Tue, 24 Mar 2026 09:37:00 +0000 https://www.aguidetocloud.com/service-health/#EX1260428 [Exchange Online] Users may have been unable to access their Exchange Online mailboxes using the Outlook desktop client. Exchange Online serviceRestored EX1260428 Tue, 24 Mar 2026 05:40:00 +0000 https://www.aguidetocloud.com/service-health/#DZ1266872 [Microsoft Defender XDR] Admins may have noticed excessive memory usage on their Windows Server 2016 machines. Microsoft Defender XDR serviceRestored DZ1266872 Mon, 23 Mar 2026 00:00:00 +0000 https://www.aguidetocloud.com/service-health/#EX1256744 [Exchange Online] Admins may have been unable to create shared mailboxes in Exchange Online. Exchange Online serviceRestored EX1256744 Fri, 20 Mar 2026 06:10:00 +0000 https://www.aguidetocloud.com/service-health/#PB1256173 [Power BI] Users may have been unable to summarize report content using Copilot for Microsoft Fabric. Power BI serviceRestored PB1256173 Thu, 19 Mar 2026 13:30:00 +0000 https://www.aguidetocloud.com/service-health/#CP1256162 [Microsoft Copilot (Microsoft 365)] Users may have been unable to create new interactions with specific Copilot bots. Microsoft Copilot (Microsoft 365) serviceRestored CP1256162 Thu, 19 Mar 2026 09:00:00 +0000 https://www.aguidetocloud.com/service-health/#CP1256025 [Microsoft Copilot (Microsoft 365)] Users' requests to use edit mode to interact with Microsoft Word documents in Copilot may have failed. Microsoft Copilot (Microsoft 365) serviceRestored CP1256025 Thu, 19 Mar 2026 06:00:00 +0000 https://www.aguidetocloud.com/service-health/#CP1255395 [Microsoft Copilot (Microsoft 365)] Users may have been unable to mention Microsoft 365 Copilot bots in Microsoft Teams. Microsoft Copilot (Microsoft 365) serviceRestored CP1255395 Wed, 18 Mar 2026 19:45:00 +0000 https://www.aguidetocloud.com/service-health/#MO1255228 [Microsoft 365 suite] Users in the United States may have been intermittently unable to access some Microsoft 365 services. Microsoft 365 suite serviceRestored MO1255228 Wed, 18 Mar 2026 14:00:00 +0000 https://www.aguidetocloud.com/service-health/#DZ1261545 [Microsoft Defender XDR] Admins may have seen delayed or missing new AST campaign training notifications in Microsoft Defender for Office 365. Microsoft Defender XDR serviceRestored DZ1261545 Wed, 18 Mar 2026 00:00:00 +0000 https://www.aguidetocloud.com/service-health/#EX1268771 [Exchange Online] Users may have been intermittently unable to access their Exchange Online mailboxes in some connection methods. Exchange Online serviceRestored EX1268771 Tue, 17 Mar 2026 14:00:00 +0000 https://www.aguidetocloud.com/service-health/#MO1254319 [Microsoft 365 suite] Users may have been unable to access Office.com or the Microsoft 365 Copilot web sign‑in page. Microsoft 365 suite serviceRestored MO1254319 Tue, 17 Mar 2026 11:42:00 +0000