Microsoft Outlook is down for thousands of users in the United States. Many users reported they were unable to send or receive emails amid the outage.

Updated on: Aug 31, 2026, 22:50:32 IST

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Microsoft Outlook is down for thousands of users in the United States, with many reporting that they are unable to send or receive emails amid the outage.

Downdetector reports

According to outage-tracking website Downdetector, reports of issues with Microsoft Outlook began coming in around 12:15 p.m. EDT on Monday. Most users reported being unable to send or receive emails, while some said they were also unable to log in to Outlook.

One user reported, "Not receiving emails since about 10:45am, then went downhill, replies stopped coming through, then emails came to a halt, and then besides outlook constantly freezing, now my shared work folder is no longer showing me emails and gives an error – "Cannot expand the folder." My colleges also having similar issues but with their shared folder completely disappearing and having no access at all. We are at a standstill at in our department due to this."

A third user wrote, "Emails are not being received. Showing in my sent folder but not actually sending."

Another added, “Outlook mail keeps loading over and over again, but never actually show me my inbox."

Has Microsoft responded?

Microsoft has not yet responded to the outage reports or provided an explanation for the issue. It remains unclear what is causing the disruption or when the problem will be resolved.

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