While it's unclear if mainstream PC users are actually using Microsoft's Copilot AI, the company claims that businesses using MS 365 Copilot are seeing plenty of benefits. According to a Microsoft survey,

Microsoft 365's Copilot Pro subscription adds AI features across Word, Excel, Outlook, and more, plus a new Pages feature that puts Copilot on the same level as your coworkers.

Copilot is the new UI for AI,” said Microsoft corporate vice president of AI at Work Jared Spataro at the reveal of Microsoft 365 Copilot Phase 2.