List of Active and Resolved Service Status by Microsoft for March 2026

In March 2026, Microsoft listed experienced multiple service incidents across its platforms on Admin center. This update provides an overview of currently active issues, recently resolved incidents, and a historical log of past advisories.

If you continue to experience the same issue, please search for the solution using the corresponding Incident ID and Issue description:

IsResolved	Id	StartDateTime	LastModifiedDateTime	Issue Description
TRUE	TM1283695	3/31/2026 22:45	4/27/2026 20:20	Some users may get incorrect or stale content when using Platform deep links in Microsoft Teams
TRUE	TM1269735	3/31/2026 12:00	4/21/2026 16:29	Users may see a greyed out 'hold' button in 1:1 calls using the Microsoft Teams desktop and web clients
TRUE	CP1266855	3/31/2026 3:30	3/31/2026 22:21	Most users? prompts in GPT 5.4 Think Deeper mode in Microsoft 365 Copilot may return a failure response
TRUE	MP1269923	3/30/2026 13:00	4/4/2026 4:02	Some admins may be unable to see some policy events in the Microsoft Purview Communication Compliance portal
TRUE	TM1266678	3/30/2026 7:08	3/31/2026 19:36	Some users may receive Microsoft Teams meeting invitations as ?not supported calendar message.ics" attachments
TRUE	SP1280824	3/29/2026 23:00	4/15/2026 17:04	Some users may be missing options to open files using custom file handlers in SharePoint Online?
TRUE	OD1281099	3/29/2026 23:00	4/15/2026 16:01	Some users may be missing options to open files using custom file handlers in Microsoft OneDrive
TRUE	MO1263631	3/28/2026 0:00	3/29/2026 20:30	Admins may see stale or delayed data in ProPlusUsage reports within the Microsoft 365 admin center
TRUE	SP1266250	3/27/2026 4:39	4/1/2026 14:12	Some users may have been unable to access the new Clipchamp start page in SharePoint Online
TRUE	TM1275443	3/26/2026 19:00	4/14/2026 20:21	Some users may be unable to move channels into folders, such as favorites, or sections within Microsoft Teams
TRUE	CP1262553	3/26/2026 11:09	3/30/2026 16:55	Admins may see stale or delayed Microsoft 365 Copilot report metrics in the Microsoft 365 admin center
TRUE	TM1261085	3/25/2026 3:30	4/2/2026 21:57	Some users may be unable to view the Planner app in Microsoft Teams
TRUE	TM1267401	3/24/2026 18:00	4/1/2026 13:49	Some users receiving cross-cloud chat messages may have seen unknown users in Microsoft Teams
TRUE	EX1260260	3/24/2026 9:37	4/14/2026 19:17	Users may be unable to access archived email messages in Outlook on the web
TRUE	EX1260428	3/24/2026 5:40	3/24/2026 15:44	Some users may have been unable to access their Exchange Online mailboxes using the Outlook desktop client
TRUE	DZ1266872	3/23/2026 0:00	4/13/2026 20:32	Admins may notice excessive memory usage on their Windows Server 2016 machines
TRUE	TM1259600	3/20/2026 14:22	3/23/2026 20:28	Users may be unable to view or use the embedded Microsoft Teams chat panel in Edge, Outlook, or Outlook on the web
TRUE	EX1256744	3/20/2026 6:10	3/20/2026 18:01	Admins may be unable to create shared mailboxes in Exchange Online
TRUE	PB1256173	3/19/2026 13:30	3/19/2026 19:33	Users may be unable to summarize report content using Copilot for Microsoft Fabric
TRUE	TM1281090	3/19/2026 13:16	4/20/2026 15:32	Some users may not hear their Microsoft Teams secondary ringer audio on specific devices
TRUE	CP1256162	3/19/2026 9:00	3/19/2026 19:25	Some users may be unable to create new interactions with specific Microsoft Copilot (Microsoft 365) bots
TRUE	CP1256025	3/19/2026 6:00	3/19/2026 18:57	Some users' requests to use edit mode to interact with Microsoft Word documents in Copilot may fail
TRUE	CP1255395	3/18/2026 19:45	3/18/2026 22:12	Users may be unable to mention Microsoft 365 Copilot bots in Microsoft Teams
TRUE	TM1255396	3/18/2026 19:45	3/18/2026 22:12	Users may be unable to mention bots in Microsoft Teams
TRUE	MO1255228	3/18/2026 14:00	3/18/2026 16:28	Some users in the United States may be intermittently unable to access some Microsoft 365 services
TRUE	DZ1261545	3/18/2026 0:00	4/2/2026 17:13	Admins may see delayed or missing new Attack Simulation Training (AST) campaign training notifications in Defender
TRUE	EX1268771	3/17/2026 14:00	4/16/2026 18:20	Users may be intermittently unable to access their Exchange Online mailboxes in some connection methods.
TRUE	MO1254319	3/17/2026 11:42	3/18/2026 14:34	Some users may have been unable to access Office.com or the Microsoft 365 Copilot web sign?in page
TRUE	TM1254548	3/16/2026 23:03	3/18/2026 23:27	Some users may see Microsoft Teams meeting invitations are being received as ?not supported calendar message.ics"
TRUE	TM1255789	3/16/2026 23:00	3/25/2026 0:42	Users may experience video quality issues in Microsoft Teams Rooms on Windows and Android devices
TRUE	MO1253428	3/16/2026 13:05	3/17/2026 1:06	Some users may be unable to access Office.com or the Microsoft 365 Copilot web sign?in page
TRUE	EX1253275	3/16/2026 9:30	3/23/2026 20:07	Some users may experience issues when accessing their Exchange Online mailbox via one or more connection method
TRUE	DZ1253788	3/16/2026 9:00	3/17/2026 15:45	Users may see delays with some reports including scheduled reports in Microsoft Defender for Office 365
TRUE	CW1255304	3/16/2026 0:00	3/30/2026 23:44	Users may be unable to save their personalization settings within Microsoft Copilot Chat and encounter an error
TRUE	TM1257247	3/13/2026 21:02	3/24/2026 22:11	Users may encounter errors when interacting with the Microsoft Copilot Facilitator bot within any Microsoft Teams client
TRUE	CP1257280	3/13/2026 21:02	3/24/2026 22:22	Users may encounter errors when interacting with the Microsoft Copilot Facilitator bot within any Microsoft Teams client
TRUE	MV1250870	3/13/2026 13:12	3/13/2026 15:13	Users' Microsoft Viva Engage feed may not load and they may encounter timeout errors when editing posts or replies
TRUE	MO1253767	3/13/2026 0:00	3/22/2026 17:21	Some admins' Microsoft 365 admin center usage report data may be delayed
TRUE	EX1255397	3/12/2026 22:04	3/31/2026 21:05	Some users may be unable to access the default add-ins in Outlook
TRUE	EX1259460	3/12/2026 22:04	3/31/2026 21:10	Some users may be unable to access custom add-ins through any Exchange Online connection method
FALSE	EX1254044	3/12/2026 12:36	4/29/2026 6:52	Some users may be unable to use classic Outlook when the Teams Meeting Add-in is enabled
TRUE	DZ1249914	3/12/2026 12:30	3/12/2026 16:27	Users may be unable to view the device timeline in Microsoft Defender for Endpoint
TRUE	TM1250884	3/12/2026 10:00	3/13/2026 18:46	Some users may not see descriptions of Microsoft Teams webinars on the public registration page
TRUE	EX1256020	3/12/2026 0:00	4/1/2026 17:06	Some users may be intermittently unable to access their Exchange Online mailboxes in some connection methods
TRUE	TM1254117	3/11/2026 16:57	3/17/2026 13:56	Some users may have been unable to start recordings and transcriptions in Microsoft Teams town hall events
TRUE	IT1253853	3/11/2026 0:00	3/17/2026 15:21	Users may be unable to view and edit compliance policies in Microsoft Intune
TRUE	PB1249121	3/10/2026 21:08	4/10/2026 20:59	Users may not get email notifications for shared Power BI reports and dashboards or Microsoft Fabric artifacts
FALSE	PB1286292	3/10/2026 21:08	4/27/2026 21:17	Users may not get email notifications for shared Power BI reports and dashboards or Microsoft Fabric artifacts
TRUE	TM1253477	3/10/2026 15:48	3/17/2026 22:44	Some users may be unable to utilize spell check in Microsoft Teams desktop client
TRUE	CW1247849	3/9/2026 3:30	3/10/2026 21:25	Some users see additional Microsoft 365 Copilot Chat agents available to use
TRUE	MO1245624	3/6/2026 13:08	3/17/2026 16:10	Some users in the North American region may have been unable to access multiple Microsoft 365 services
TRUE	EX1259159	3/5/2026 22:00	3/24/2026 3:27	Some users? outbound email messages may display an unexpected sender name in Exchange Online
TRUE	SP1256716	3/5/2026 9:41	4/15/2026 23:08	Users may be unable to edit SharePoint Online sites using the SharePoint Designer 2013 tool
TRUE	CP1242733	3/2/2026 12:00	3/2/2026 20:57	Users are shown a Microsoft 365 Copilot agent titled "DA_CICap_ST_SDF" that wasn't added by their admins
TRUE	EX1242346	3/2/2026 8:20	3/2/2026 14:35	Some users may have been unable to access the Exchange admin center (EAC)
TRUE	PL1242549	3/2/2026 7:15	3/2/2026 22:42	Some users may be unable to access Planner on the web
TRUE	MV1243442	3/2/2026 4:30	3/3/2026 19:53	Users may be unable to access the Suite navigation bar within Microsoft Viva Engage
TRUE	MO1242002	3/1/2026 21:30	3/2/2026 4:54	Users in Australia may be unable to access various Microsoft 365 Apps or services from portal.office.com