Relief for Outlook users after 16 hours, yet Microsoft has extended the timeout period to 48 hours..

There is some relief for Microsoft Outlook users. Following an outage that lasted nearly 16 hours, users in India began receiving emails on Friday evening. However, email delivery remains slow, and it could take another 30–32 hours for full restoration. Microsoft has stated that recovery efforts are underway to bring services back to normal.

In the meantime, the company has extended the email timeout period to 48 hours to ensure that delayed emails are preserved. This means the system will now allow up to 48 hours for the delivery of emails that were stuck in the queue during the outage.

Microsoft 365 announced on the social media platform X that recovery work on the affected infrastructure is proceeding in phases. While the company is seeing improvements across several services, system capacity has not yet fully returned to normal levels.

The company noted that some users may still experience issues.
According to Microsoft, key functions—such as access to mailboxes and the delivery of delayed emails—have improved. Nevertheless, some users might still encounter intermittent problems.

The company has accelerated the recovery process for the remaining affected infrastructure. Simultaneously, traffic is being gradually restored, and system capacity is being increased to enhance service stability.

Users can view detailed updates regarding this issue in the Microsoft 365 Admin Center by referencing incident number MO1550821. Information is also available on the company’s service status page.

The issue originated from a glitch during a server health check.
The disruption to Microsoft’s services began on Thursday night. According to the company, a malfunction during a server health check caused some servers to become unavailable. Initially, Microsoft investigated configuration changes and attempted to restart the affected servers. Subsequently, the company implemented an alternative health-check method, which allowed some of the affected servers to resume operation.

Several services, including Outlook, Teams, and Copilot, were impacted.
This major outage affected a range of Microsoft 365 services. Access to several products—including Outlook, Teams, and the AI ​​assistant Copilot—was disrupted. The company stated that the incident was linked to Exchange Online and various services related to email infrastructure. On Friday, the outage also impacted businesses, airlines, and government operations across several countries. It took Microsoft several hours to restore services to normal.

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