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Cover art for Microsoft Outlook Outage

Microsoft Outlook Outage

Microsoft says no malicious activity behind 10-hour Outlook outage.

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Nov 13, 2026

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Microsoft Outlook Outage

Microsoft says no malicious activity behind 10-hour Outlook outage.

In brief

Microsoft says no malicious activity behind 10-hour Outlook outage. Microsoft reports no cyberattack causing 10-hour Outlook outage affecting businesses globally. Originally reported by Dawn.

Microsoft outage update

Microsoft says no malicious activity causing Outlook outage.

“As of now, we are not aware of any malicious activity that is causing this incident. We will continue to treat this incident with urgency and priority until full resolution”

Outage duration and scope

Outlook and Teams disrupted for 10 hours globally.

Impact on email systems

Impact on email systems

Australian government agencies affected by email outage.

“They believe they are dealing in some ways similar to what we saw with respect to CrowdStrike where there is an update that has gone awry”

Downdetector reports

25,000 US Outlook problems reported by Downdetector.

CrowdStrike comparison

CrowdStrike 2024 outage affected hospitals and airports.

Businesses affected

Microsoft logo and a keyboard in this illustration. — Reuters/File

OpenAI and Workhorse Group impacted by Microsoft outage.

What to remember

Microsoft reports no cyberattack causing 10-hour Outlook outage affecting businesses globally.

Read the original on Dawn

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