Users Unable to Access Mailboxes

Users Unable to Access Mailboxes

In a significant disruption for millions of users worldwide, Microsoft Outlook has been experiencing a major outage since Wednesday, July 9, 2025, starting at 10:20 PM UTC.

The issue has left users unable to access their mailboxes through any connection method, causing widespread frustration among individuals and businesses reliant on the service for communication and productivity.

Scope of the Outage

The outage affects multiple platforms, including:

Google News

  • Outlook.com, the web-based email service.
  • Outlook Mobile, the application used on smartphones and tablets.
  • Outlook Desktop Client, the software installed on personal computers.

This comprehensive impact across all access methods has rendered many users completely cut off from their email accounts, disrupting workflows and communication channels globally.

Users Unable to Access Mailboxes
Users Unable to Access Mailboxes 4

Microsoft has been providing regular updates on the situation, reflecting a progressive response to the crisis. Initially, the company identified that a portion of the mailbox infrastructure was underperforming, leading to access issues.

Early investigations pointed towards a potential problem with an authentication component as the root cause.

As the investigation deepened, Microsoft confirmed the cause of the issue and initiated the deployment of a fix.

Although the fix was expected to take an extended period due to safe change management processes, the latest update indicates that the deployment is progressing faster than anticipated.

The company now expects the impact to gradually mitigate as the fix rolls out, with a resolution anticipated by the next update scheduled for Thursday, July 10, 2025, at 10:30 AM UTC.

The inability to access mailboxes has significant implications for users. Professionals relying on Outlook for business correspondence, scheduling, and collaboration are facing delays and interruptions.

Students, personal users, and organizations using Outlook for critical communications are equally affected, highlighting the service’s integral role in daily operations.

Microsoft has acknowledged the user impact, reiterating that the issue spans all connection methods. While no specific workaround has been provided yet, the company is focused on resolving the issue swiftly to restore normalcy.

As Microsoft continues to address this outage, users are advised to stay tuned for further updates. The tech giant’s commitment to resolving the issue by the next update time offers hope for a quick recovery.

For now, the global user base awaits the restoration of full access to their mailboxes, underscoring the critical dependence on reliable digital communication tools in today’s interconnected world.

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