Thousands of Canadians have been affected by a worldwide outage that has disrupted Microsoft platforms including Outlook and Teams.
The online tracker Downdetector suggests that there have been more than 20,000 reports in Canada of problems using Microsoft platforms.
Some federal departments reported having problems accessing emails and meetings, though it’s unclear whether any public services have been affected.
A health-care network that runs several hospitals in Toronto has declared a code grey, indicating an infrastructure failure.
Unity Health Toronto says its teams are experiencing difficulties sending and receiving emails, but that patient and resident care is not affected by the outage.
A Microsoft spokesperson says the company is aware and investigating reports of users experiencing issues with Microsoft 365 services, primarily issues with Exchange Online.
This report by The Canadian Press was first published Nov. 12, 2026.
By Catherine Morrison | Copyright 2026, The Canadian Press. All rights reserved.