The Microsoft outage in South Africa turned an ordinary Friday into a day of dead inboxes and missed meetings. The disruption started on Thursday evening, 12 November 2026, when Microsoft’s cloud services began failing worldwide. At first, most local offices were closed, so few people noticed. However, by Friday morning, workers logging in found that Outlook, Teams and Copilot were not working.
The timing made the problem feel sudden. Many organisations depend on Microsoft 365 for almost every internal conversation. As a result, a single cloud failure quickly affected tax services, power utility communications, banking, aviation and higher education at the same time.
What Happened During the Microsoft Outage in South Africa
The failure hit Microsoft’s core productivity tools. Outlook, Exchange Online, Teams, OneDrive, SharePoint and the Copilot AI assistant were all affected. In addition, Microsoft said features that depend on Exchange Online were running with degraded performance. Copilot Chat also struggled to pull information from work emails, calendars and files.
Local complaints rose sharply after 5am on Friday. On Downdetector South Africa, Microsoft 365 reports climbed to 874 shortly before 8am, while Outlook reports reached 744. Globally, the platform recorded close to 130,000 reports at the peak of the disruption. Later that afternoon, Teams, Outlook, Office 365 and Copilot remained among the most reported local outages.
Key Institutions Affected Across South Africa
The disruption reached both the public and private sectors. Below is a summary of the major organisations that reported problems.
| Organisation | Sector | Reported Impact |
|---|---|---|
| SARS | Government / Tax | Access to Outlook, Teams and Microsoft 365 apps affected |
| City of Cape Town | Local government | Email, Teams and OneDrive disrupted |
| Eskom | Power utility | Email services hit by the Exchange disruption |
| Absa | Banking | Parts of its Microsoft environment affected |
| FlySafair | Aviation | Email services disrupted |
| University of Cape Town | Higher education | Staff and students warned of connection issues |
| SABC | Public broadcaster | Listed among affected entities |
Government and Public Services
SARS warned taxpayers that its Microsoft 365 tools might be unavailable. The revenue service also said its technical teams were working directly with Microsoft. Meanwhile, the City of Cape Town issued an alert confirming that its internal email and collaboration systems were down.
Businesses and Universities
For companies, the biggest problem was communication. Staff could not easily speak to each other or to customers. Consequently, several firms redirected customer queries and switched to other channels, such as phone lines and messaging apps. At the same time, the University of Cape Town told users they might have trouble reaching several Microsoft 365 services.
What Caused the Microsoft Outage?
Microsoft linked the failure to problems with its servers. Importantly, the company said it had no sign that a cyberattack or other malicious activity was involved. Even so, the outage lasted more than 18 hours, making it one of Microsoft’s most serious service failures in recent memory.
By late Friday morning, South African time, Microsoft reported early signs of stabilisation and improved capacity. Still, the company did not give a firm timeline for full restoration of every affected service.
Lessons for South African Organisations
This event exposed how heavily local institutions rely on a single global provider. When one platform fails, email, meetings, file sharing and AI tools can all go down together. Therefore, IT teams may want to review how prepared they are for similar events.
Practical steps worth considering include:
- Backup communication channels: Keep an alternative way to reach staff and customers, such as SMS or a secondary messaging platform.
- Offline access to key files: Ensure critical documents are synced locally, not only stored in the cloud.
- Clear outage protocols: Prepare ready-made customer notices so service teams can respond quickly.
- Status monitoring: Assign someone to track Microsoft’s service health updates during an incident.
- Vendor diversity: For essential functions, assess whether depending on one provider creates too much risk.
Frequently Asked Questions
When did the Microsoft outage start in South Africa?
It began on Thursday evening, 12 November 2026, South African time. Most users only felt the impact when they logged on for work on Friday morning.
Was the Microsoft outage a cyberattack?
No. Microsoft attributed the disruption to server problems and said it had no evidence of malicious activity.
Which Microsoft services were affected?
Outlook, Exchange Online, Teams, OneDrive, SharePoint and Copilot were all disrupted to varying degrees.
Which South African organisations were hit?
SARS, the City of Cape Town, Eskom, Absa, FlySafair, the SABC and the University of Cape Town were among those that reported problems.