Microsoft 365 est en panne alors que des milliers d’utilisateurs rencontrent des problèmes d’interruption de service. Détails ici.


Microsoft Outlook, a popular email service used by millions of companies, faced an outage on Monday, affecting more than 15,000 users, according to outage tracking website This is the third outage that Microsoft services have faced since the beginning of the year. Users reported issues with accessing the email site, with an error message appearing that read, « Service Unavailable » followed by « HTTP Error 503. The service is unavailable. » Microsoft acknowledged the issue and said they were investigating the root cause.

The outage caused difficulties for companies that rely on Microsoft Outlook for communication and assigning work to employees. Social media was flooded with memes about how people can relax in the absence of communication services. This year in February, there were more than 2,000 incidents of people reporting issues with Outlook, according to

Microsoft said in a tweet that they were reviewing their networking systems and recent updates to identify the underlying root cause of the issue. They also identified downstream impact for Microsoft Teams, SharePoint Online, and OneDrive for Business. Updates pertaining to Exchange and Outlook on the web will continue to be provided via EX571516.

This outage highlights the importance of having backup communication systems in place for companies. It also serves as a reminder for users to regularly back up their important emails and documents to avoid losing them in case of an outage.

Keywords: Microsoft, Outlook, outage, communication, email, Downdetector, social media, backup systems.

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