Global Outlook Outage on March 1, 2025: What’s Causing the Outages?

Was Your Outlook Down on March 1, 2025? Well, you are not alone. Major Outlook Outage affected Microsoft 365 email accessibility worldwide. It affected multiple Microsoft 365 services, including Teams, Microsoft Store, and more. Outlook Down issue was caused due to a faulty code update, which was later reversed by Microsoft. Various businesses relying on Outlook faced communication breakdowns and inconvenience. Therefore, this incident highlighted the requirement of offline email backups, to prevent permanent data loss. Here is all you need to know about the worldwide Outlook disruption issue.

Microsoft 365 Down- What Really Happened?

On March 1, 2025, millions of users globally suffered the major MS Outlook Outage. This prevented users from accessing, sending, and receiving emails. Also, it affected other Microsoft services including Office business suite, Microsoft Store, Teams, etc. Whether it was desktop and mobile users, or third-party email platforms users dependent on Microsoft 365, were affected.

This Outlook disruption occurred at the start of the new month (March). The incident occurred on the payday emails and end-of-financial-year communications for many businesses. Hence, this caused frustration among users and widespread reports of the issue.

What Was the Root Cause of Outlook Outage?

The actual cause of this outage was a problematic code change. As soon as the issue was reported to Microsoft, they investigated and found that the problem was due to a faulty code update. Unintentionally, the update led to failures in login authentication and users lost access to the email processing system.

Timeline:

  • 8:40 PM ET: Microsoft Users begin to report the issue of the Outlook outage on various forums.
  • 9:15 PM ET: More than 9000 users reported the issue within 40 minutes on Down Detector. Users mainly belonged from London, Manchester, and parts of North America.
  • Microsoft’s Response: Taking immediate action, the company investigated and found that a faulty code update caused the issue.
  • 10:00 PM ET: As soon as possible, Microsoft reverted the problematic update.

Within an hour, MS Outlook and other M365 services gradually started working again.

Austin Pollock’s Tweet on X.com Regarding the Outlook Outage IssueGlobal Outlook Outage on March 1 2025

How the Outlook Outage Matters?

Microsoft 365 is highly trusted for being a powerful cloud-based service. However, this incident is a stark reminder that even such platforms are not immune to downtime. Fortunately, this issue was resolved on time, causing temporary inconvenience. But what if you encounter longer disruptions or permanent data loss?

This is possible in case of cyber attacks, data corruption or extended service failures. Therefore, according to experts, it is important to take proper preventive measures. Many individuals and businesses are taking lessons from the global Outlook outage and practicing keeping offline email backups.

How to Protect Office Emails from Future Outages?

The recent Office 365 Email Issue was a warning for users against some long-term Microsoft 365 downtime. Therefore, you must consult experts and think about the preemptive backup strategy. Here are some suggestions by experts:

  • It should be in regular practice to maintain a backup of all emails, contacts, and calendars locally.
  • Better to save Office 365 data on multiple locations, including the local machine and the cloud.
  • For offline access to emails and other data, enable the Outlook Cached Exchange Mode.
  • Think of setting up a secondary email provider to communicate urgently.
  • You can also configure email forwarding so that Outlook emails can be received elsewhere.
  • In addition, assign IT admins and train employees to address issues and find solutions.

But, what is the most reliable way to maintain a regular backup and prevent inconveniences due to Outlook Service Downtimes? Read more to know.

Try the Best Backup Solutions for Microsoft 365

To keep Outlook emails, contacts, and other data accessible even during Microsoft 365 Outage, use a reliable backup solution. Aryson Office 365 Backup Software is one among the most secure software. Instead of relying solely on Microsoft, data can be stored locally, or on the cloud for seamless business operations. The software lets users export Office 365 emails into PST, PDF, EML, EMLX, MBOX and more for uninterrupted access.

Aside from that, one can migrate Office 365 emails to cloud platforms including Google Workspace, iCloud, Gmail, and many IMAP Accounts. It involves no technical complexity, thus is easy to operate for all.

How to Backup Office 365 Emails to PST?

Follow the process below to perform hassle-free backup of Outlook mailbox:

  1. Download Aryson Office 365 Email Backup Tool from the official website.
  2. Install the tool following the instructions and run it as an administrator.
  3. Now, choose Backup and click on Continue to proceed.
  4. Enter Office 365 credentials and log in to your source O365 account. (Choose the Assign Impersonation feature to backup multiple user mailboxes at once).
  5. Specify source user mailbox and choose the mailbox to backup data from.
  6. Preview all folders of the Office 365 mailbox and select to migrate/backup.
  7. From the provided list, choose an appropriate backup format, say PST.
  8. Apply additional filters built-in with software for precise outcomes (if needed).
  9. Define a saving location for the output file and click on Convert. Wait till conversion is complete.

Similarly, it’s easy to migrate Office 365 emails to other platforms using the same software.

Conclusion

Don’t you now think keeping an offline backup is a smart move? Well, the incident of Global Outlook Outage was a reminder that powerful cloud services can also experience disruptions. However, the situation highlights that one must have a preemptive backup strategy to prevent permanent loss in the future. Therefore, many businesses trust Arsyon Office 365 Backup Software for maintaining backups. The blog discussed all you need to know about the Microsoft down issue and how to deal with it. Better take action, before losing important data!

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About The Author:

Rohan Wiese is a Technical Writer at Aryson Technologies. He is an expert Email Forensic, Cloud Computing, and a passionate nerd with over 10 years of experience in technical content writing. He writes about Cloud Migration, Database Recovery, Email Backup, Windows, Mac, and Tech.

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