Half of all websites fail basic keyboard navigation. Microsoft's new browser tool wants to change that — and it only takes one HTML attribute to do it.

Microsoft has made GPT-5.3 Instant available in Microsoft 365 Copilot, introducing a new model option designed to deliver faster response times for users across Microsoft 365 Copilot and Microsoft ...

ActiveX is a Microsoft software framework that enables applications to share data across web browsers, enhancing functionality and security in computing.

VS Code's AI Toolkit and Microsoft Foundry can speed up agent development, but real-world success often depends on picking the right runtime and region, keeping tool-driven context under control, and ...

GPT-5.3-Codex moved to No. 1 in Quality on the Microsoft Foundry AI Model Leaderboard soon after release, while a cross-metric 'podium' scoring method put GPT-5-Nano on top overall for efficiency.