Microsoft 365 Disruption Hits Outlook, Teams and Other Services

WHO:

[12:54 p.m. ET] - Variety - Microsoft’s Microsoft 365 Status account on X reported the issue.

[12:54 p.m. ET] - Variety - The company referred to users experiencing access problems with Exchange Online mailboxes.

[12:54 p.m. ET] - Deadline - Microsoft acknowledged user reports of problems accessing Outlook and other services on its 365 platform.

WHAT:

[12:54 p.m. ET] - Variety - Microsoft reported investigating an outage affecting access to Exchange Online mailboxes.

[12:54 p.m. ET] - ABC News - Microsoft reported “issues” affecting users trying to access Outlook and Teams.

[12:54 p.m. ET] - Newsweek - Thousands of reports described Microsoft services as not working properly.

[12:54 p.m. ET] - Mashable - Users reported that an outage prevented some Outlook users from checking email.

[12:54 p.m. ET] - Engadget - Outlook and Teams were among services affected by “elevated load” issues.

[12:54 p.m. ET] - Mashable - Users reported problems accessing Microsoft 365, Azure, Outlook, Teams, Copilot, and other services.

[12:54 p.m. ET] - TechCrunch - Outlook email users were affected; Microsoft had not yet provided a cause.

[12:54 p.m. ET] - WTNH - Tens of thousands of Microsoft users reported problems with Outlook email functionality.

[12:54 p.m. ET] - IJR - Outage trackers recorded tens of thousands of Outlook reports.

[12:54 p.m. ET] - Deadline - Microsoft said Outlook as a stand-alone service was deemed operational, along with Teams and other Microsoft platforms.

WHERE:

[12:54 p.m. ET] - Variety - Microsoft said it was investigating mailbox-access issues “in the Americas”; the outage affected users across North America and potentially other regions.

[12:54 p.m. ET] - Newsweek - Reports came from the United States.

[12:54 p.m. ET] - WTNH - Microsoft confirmed service outages across the Americas.

WHY:

[12:54 p.m. ET] - Engadget - Microsoft attributed the reported service problems to “elevated load.”

[12:54 p.m. ET] - TechCrunch - Microsoft had not provided a cause for the Outlook outage.

HOW:

[12:54 p.m. ET] - Variety - Microsoft was investigating reports of mailbox-access issues occurring through “multiple connection methods.”

[12:54 p.m. ET] - Deadline - Microsoft acknowledged reports through a series of social media posts.

(UPDATED November 12, 2026 20:02 UTC)

Microsoft is investigating access problems affecting Outlook mailboxes across the Americas. Users also reported disruptions to Teams and other Microsoft 365 services. Microsoft cited elevated load as a possible factor, while the cause remains unclear.