Microsoft unveils AI office copilot in fast-moving race with Google

Microsoft Corp (MSFT.O) on Thursday trumpeted its latest plans to put artificial intelligence into the hands of more users, answering a spate of unveilings this week by its rival Google (GOOGL.O) with upgrades to its own widely used office software.

The technology company previewed a new AI "copilot" for Microsoft 365, its product suite that includes Word documents, Excel spreadsheets, PowerPoint presentations and Outlook emails. First open to select business customers for testing, AI will offer a draft in these applications, speeding up content creation and freeing up workers' time,...