Microsoft outage leaves office workers across the U.S. without Outlook

TechnologyInternationalCNN en EspañolNov 12, 2026, 7:55 PMAI summary

A widespread Microsoft services outage prevented users across the United States from accessing their Outlook email. Microsoft said on X that it was investigating reports of problems accessing Exchange Online mailboxes in the Americas. Outage reports fell from a peak of more than 130,000 to nearly 60,000 by 3:30 p.m., according to Downdetector. The company said the failures in health checks could originate in a component of the affected servers and later said it was restarting those servers because they had stopped responding.

In 40 seconds

Microsoft investigated problems accessing Exchange Online mailboxes in the Americas, according to its post on X.
Outlook outage reports fell from more than 130,000 to nearly 60,000 by 3:30 p.m., according to Downdetector.
The company said failures in health checks could stem from a component of the affected servers.

Read the full story at CNN en Español

IASummary generated by artificial intelligence from a story by CNN en Español. It may contain errors: the original source prevails.

Microsoft
Outlook
caída de servicios
Exchange Online

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Microsoft outage leaves office workers across the U.S. without Outlook

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