A code issue let Copilot pick up emails in sent and draft folders even though they were marked as confidential, Microsoft says. The company began rolling out a fix earlier this month.

Microsoft said the bug meant that its Copilot AI chatbot was reading and summarizing paying customers' confidential emails, bypassing data protection policies.

Microsoft is testing a built-in network speed test in Windows 11’s taskbar, alongside Sysmon integration and other feature updates in preview builds.

The company says it has addressed the issue and it "did not provide anyone access to information they weren't already authorised to see".

Tech giant uses renewable power purchase agreements to offset energy purchases, but critics say it is still burning fossil fuels from the grid.

Borosilicate glass offers extreme stability; Microsoft’s accelerated aging experiments suggest the data would be stable for over 10,000 years at room temperature. That led Microsoft to declare, “Our results demonstrate that Silica could become the archival storage solution for the digital age.”

Microsoft's three-day-a-week return-to-office mandate starts Monday, Feb.