what we know about its breakdown today

Thousands of users have reported problems with Outlook and others Microsoft 365 services on the morning of Monday, November 25. This led to a significant increase in searches in Google such as is outlook broken, Declining outlook, Microsoft outageAnd Outlook crash.

The outage, confirmed by Microsoft, is affecting users around the world, according to reports on social media and monitoring platforms.

For what Outlook is down Today?

Microsoft posted on social platform X (formerly known as Twitter) that it was investigating an issue affecting users trying to access it. Online exchange or use the calendar features in Microsoft Teams. In the words of the company:

“We have identified a recent change that we believe has had an impact. We have begun rolling back the change and are investigating additional actions needed to mitigate the issue.

This statement suggests that a configuration change may have triggered the outage, although Microsoft is working to reverse it and stabilize its services.

What reports have been filed about the problem?

Downdetector, a well-known platform for tracking digital service outages, has seen a significant increase in reports of issues related to Outlook and other Microsoft 365 services starting at 4 a.m. Eastern Time. Initially, there were only a few dozen reports, but the number quickly grew as more users unsuccessfully attempted to access their services.

What is Microsoft doing to resolve the outage?

Microsoft reported that it has started rolling out a solution to resolve the issue and that this fix is ​​being rolled out gradually to affected environments. The company also said manual reboots were being performed on a subset of machines in poor condition. In its publications, Microsoft stated:

“As we continue to work to mitigate the issue, we have added a full list of affected services and scenarios to the More Information section. For more information, please refer to MO941162 in the admin center.

This action aims to restore functionality to users as quickly as possible while additional measures are implemented.

How long could the outage last?

Although Microsoft did not provide an estimated time frame for a full resolution, its recent history may offer some context. In July, a massive Microsoft 365 outage caused by a technical issue with CrowdStrike had global consequences for several hours. However, this incident had a much larger impact, disrupting industries such as airlines, banking and healthcare.

For now, the company is rolling back recent changes and monitoring the progress of deployed solutions.

Which Microsoft 365 services are affected?

Reports indicate that in addition to Outlookother services such as Teams, Online exchangeand calendar features also had issues. Microsoft has shared a detailed list of affected services in its admin center under reference MO941162.

What impact does this outage have on users?

The outage affects both individual and business users who rely on Microsoft 365 for essential tools like email, cloud storage and online collaboration. This incident highlights the global reliance on digital services for business and personal activities.

On social media, users have expressed frustration with access issues, particularly regarding Outlook emails and meetings scheduled in Teams.

Here are the messages Microsoft shared on X regarding the downfall of its service:

We are investigating an issue affecting users trying to access Exchange Online or Microsoft Teams Calendar features. For more information, please refer to MO941162 in the admin center.

As we continue to work to mitigate the issue, we have added a full list of affected services and scenarios to the More Information section. For more information, please refer to MO941162 in the admin center.

We have identified a recent change that we believe has had an impact. We have begun rolling back the change and are investigating additional actions needed to mitigate the issue. For more information, please refer to MO941162 in the admin center.
Microsoft 365 Status

We have started deploying a patch which is currently making progress in the affected environment. As this progresses, we begin manual reboots on a subset of machines that are in a faulty state. For more information, please refer to MO941162 in the admin center.