A major Microsoft 365 outage is disrupting businesses across the world today, affecting Outlook, Exchange Online and parts of other Microsoft services. With reports from 74 countries and territories, the incident highlights an uncomfortable reality: even the world’s largest technology providers can fail, leaving businesses scrambling to keep essential operations running.
It’s Friday the 13th, which might seem particularly unfortunate timing for anyone with triskaidekaphobia (the fear of the number 13). But superstition aside, today’s disruption raises a serious question for every organisation that depends on cloud technology.
If the services your business relies on suddenly become unavailable, how well prepared are you to respond?
What’s happening with Microsoft 365 today?
Problems began on Thursday afternoon, 12 November, and have continued into Friday. Users have reported being unable to access Outlook mailboxes through web browsers, desktop applications and mobile devices. Some messages have been delayed, while others have been difficult to send or receive.
The impact is global. Outage tracker Downdetector received reports from 74 countries and territories within roughly an hour of the initial disruption, according to Al Jazeera’s report today. These are user reports, not a verified count of everyone affected, and Microsoft has not confirmed the total number of impacted users.
Outlook and Exchange Online have been particularly affected. Other services, including features of Teams and Copilot, have also experienced problems. Core Teams messaging and calls have remained available for many users, illustrating how different parts of the same platform can be affected differently.
By Friday morning, Microsoft was reporting only limited progress restoring affected services. Its updates described servers becoming unexpectedly unavailable, placing extra pressure on servers that were still operating. Some restored servers reportedly became unresponsive again as traffic returned. Microsoft’s recovery actions included increasing capacity, restarting affected infrastructure and adjusting how traffic was routed.
The definitive root cause has not yet been published. Microsoft has said there is no indication the incident resulted from malicious or cyber activity. Avoid assuming that a particular update, cyberattack or other explanation is confirmed while its investigation continues.
For the latest status, check Microsoft’s official service health information. The situation may change as services recover.
From government agencies to AI integrations, the disruption goes far beyond Outlook
Today’s incident is not simply a problem for people trying to read their email. The global impact illustrates how much essential work now depends on interconnected cloud services.
Al Jazeera reported disruption to government systems in Singapore and Japan, communications at the Supreme Court of the Philippines, and agencies including Australia’s federal police and intelligence service.
The effects have also extended beyond Microsoft’s own applications. Reporting indicates that Microsoft 365 integrations used by AI companies including OpenAI and Anthropic were affected, showing how an outage at one provider can interfere with services delivered by other businesses.
For a smaller organisation, the consequences may be less visible but just as immediate: customer enquiries delayed, appointments difficult to confirm, support requests unable to reach the right person, or staff unsure which channels they can rely on.
The lesson is not that businesses should abandon Microsoft 365. It is that critical services need a workable contingency plan when a major provider becomes unavailable.
When your cloud provider goes down, your business feels the impact
Outlook handles customer correspondence. Teams supports internal collaboration. SharePoint and OneDrive provide access to documents. Numerous other business applications connect to Microsoft accounts, email or data.
When these dependencies fail together, the consequences extend beyond the IT department.
Sales teams may struggle to communicate with prospects. Customer support responses may be delayed. Employees can lose access to information they need, and business processes can be interrupted.
For organisations without a contingency plan, even a relatively short outage can create confusion and lost productivity. The problem isn’t necessarily that businesses use Microsoft 365. It’s that many have become so dependent on it that they haven’t considered how they would operate without it.
What should businesses do during today’s Microsoft outage?
1. Identify the source of the problem
Before employees reset passwords, reinstall applications or change configurations, establish whether the problem originates within your organisation or Microsoft’s infrastructure. Consult Microsoft’s service health updates and your organisation’s admin alerts where available. When the issue is provider-wide, local troubleshooting may waste time and introduce new problems.
2. Establish alternative communication channels
If employees cannot access their usual email or collaboration tools, they still need to communicate. Businesses should have approved alternatives, such as telephone, SMS or an independent messaging service, with contact details accessible without the affected platform. These arrangements should be documented, tested and consistent with security and data-protection requirements.
3. Identify your minimum essential operations
Which business activities genuinely must continue if email and collaboration tools are unavailable for a working day? Customer support, urgent supplier communications, financial operations and other time-sensitive activities may need priority. Establish a minimum workable way of operating and use agreed alternative processes where appropriate.
4. Coordinate incident reporting and employee support
A widespread outage can generate hundreds of support requests from employees experiencing the same underlying problem. An effective service desk can group related incidents, communicate consistent updates, prevent duplicated troubleshooting and escalate unrelated issues appropriately.
ServiceJi’s First-Line Technical Support provides structured incident handling, troubleshooting, employee assistance and escalation. Organisations should also plan a way to contact their service desk when its normal email channel is unavailable.
Why managed IT support matters when Microsoft experiences an outage
An IT support provider cannot repair Microsoft’s global infrastructure. However, there is an important difference between waiting for Microsoft to resolve an incident and having no plan for what your organisation should do in the meantime.
A managed IT team can help businesses:
- Assess which users, systems and important workflows are affected.
- Monitor provider updates and coordinate the internal response.
- Communicate reliable information through available channels.
- Implement approved alternative working arrangements.
- Investigate incidents unrelated to the provider-wide outage.
- Verify recovery and follow up on delayed messages or outstanding problems.
For businesses without dedicated IT personnel, these responsibilities can otherwise fall to office managers, individual employees or overstretched internal teams.
ServiceJi’s Managed IT Support brings everyday technical assistance, monitoring, administration and incident coordination into one agreed service. The objective is not to prevent every possible failure. It’s to make sure someone is responsible for responding when technology stops working as expected.
Does Microsoft 365 backup protect businesses from an outage?
Today’s incident also highlights an important distinction between data protection and business continuity.
Microsoft provides extensive built-in data-protection features. However, businesses still need to consider whether those capabilities meet their own backup, retention and recovery requirements. Independent backups can help recover deleted emails, documents and other supported business information.
But backing up Microsoft 365 does not automatically provide an alternative working email service when Exchange Online is unavailable.
Business continuity requires a broader approach, including alternative communications, incident-response procedures, documented responsibilities and recovery planning.
ServiceJi’s Managed Backup and Recovery service helps organisations configure protection for supported Microsoft 365 workloads, monitor backup operations and test agreed recovery procedures.
What should businesses do when Microsoft restores service?
Once services return, businesses should review the impact rather than simply assuming everything is back to normal:
- Were employees and customers kept informed?
- Did everyone know how to reach IT support without Microsoft-hosted email?
- Which critical activities needed an alternative process?
- Were delayed messages, appointments and interrupted workflows checked?
- Did linked applications or integrations need additional attention?
- What would happen if a similar disruption lasted considerably longer?
The answers can reveal weaknesses that may otherwise remain unnoticed. Review backup coverage, incident procedures and dependencies between business systems while the experience is fresh.
How ServiceJi helps businesses prepare for IT disruption
At ServiceJi, we help organisations manage their IT environments, support employees and respond effectively to technical incidents. Our services include:
- Managed IT Support: Day-to-day administration, monitoring, technical assistance and incident coordination for agreed systems.
- Outsourced IT Service Desk: Structured incident handling, troubleshooting, employee communications and escalation.
- Microsoft 365 and Cloud Support: Assistance with supported cloud environments, applications and service-related issues.
- Managed Backup and Recovery: Backup configuration, monitoring, restore testing and recovery support for supported workloads.
We work with businesses seeking fully outsourced IT support, as well as organisations needing additional expertise alongside their existing internal IT teams. Our approach focuses on clear responsibilities, effective technical support and practical procedures that help businesses respond to disruption.
Is your business prepared for the next major IT outage?
Today’s Microsoft 365 disruption is a reminder that even the most established technology platforms can experience unexpected failures.
No business can control the availability of every cloud service it uses. But organisations can control how well they prepare, how effectively they communicate during an incident and how they address outstanding issues once services are restored.
If Microsoft 365 became unavailable again tomorrow, would your employees know what to do?
If you’re unsure, now is a sensible time to review your IT support and business-continuity arrangements.
Speak to ServiceJi about Managed IT Support and find out how we can help your business prepare for the unexpected.
News sources: Al Jazeera, 13 November 2026 | BBC News, 13 November 2026 | Microsoft Service Health. Incident information reflects reporting available on Friday morning and may change as Microsoft issues updates.
