Microsoft is having a big Copilot problem. PCWorld reported last month that the company’s flagship AI Assistant holds only 1.1% of the web AI market share, a decline from 1.5% over the past year, with smaller AI tools like Grok, Claude, and Perplexity each commanding larger market shares than Microsoft’s offering.

Microsoft is finally allowing some users to uninstall Copilot in Windows 11, but the option comes with strict conditions and is limited mainly to managed work devices, leaving most free users without a real off switch.

Discover 15 practical Copilot tricks and tips for Outlook, Excel, Word, Teams & PowerPoint to save time and reduce daily stress

Microsoft confirms a Copilot outage in North America, later resolving the issue after rolling back a service configuration change.

The update, now available in beta, allows administrators to fully uninstall Copilot from managed devices for the first time, but there are plenty of caveats to get it to work.

The Reprompt Copilot attack bypassed the LLMs data leak protections, leading to stealth information exfiltration after the chat was closed

ZDNET's key takeaways Dubbed "Reprompt," the attack used a URL parameter to steal user data.A single click was enough to trigger the entire attack chain.Attackers could pull sensitive Copilot data, even after the window closed.

Researchers identified an attack method dubbed "Reprompt" that could allow attackers to infiltrate a user's Microsoft Copilot session and issue commands to exfiltrate sensitive data.

Microsoft shares drop 10% as AI spending worries, insider stock sales, and weak Copilot adoption fuel investor concerns.

With Microsoft's bewildering naming conventions, the mistake is easy to make. But Office is still Office, at least when it's not Microsoft 365.

Officials ultimately banned fans of Maccabi Tel Aviv from attending a November match, a decision that has sparked immense criticism.