Microsoft 365 Blog

AI presents both a once-in-a-generation opportunity and a challenge to help every employee conquer the infinite workday.

Today at Microsoft Build 2025, we announced Microsoft 365 Copilot Tuning—a new, low-code capability in Microsoft Copilot Studio for every organization to tune AI models using their own company data, workflows, and processes—all without needing a team of data scientists or weeks of work.

Copilot is now your window into the world of agents, with new capabilities that lay the foundation for this next phase.

Our ambition is to empower every employee with a Copilot and transform every business process with agents.

Introducing two, first-of-their-kind reasoning agents in Microsoft 365 Copilot.

We will be retiring Skype in May 2025 to focus on Microsoft Teams (free), our modern communications and collaboration hub.