Millions of office workers got an unplanned break from email Thursday. Their bosses' favorite new AI tool got one too. A Microsoft (MSFT) outage that began midday Thursday knocked out Outlook and other workplace apps worldwide, with Downdetector logging reports from 74 countries within about an hour. By Friday, Microsoft said it was seeing "encouraging recovery progress." The damage reached Microsoft's AI. Copilot couldn't access users' email, files, or calendars, and the Microsoft connectors for OpenAI's ChatGPT and Anthropic's (ANTH.PVT) Claude broke too. Microsoft says more than 430 million people use its Microsoft 365 apps. Microsoft, OpenAI, Anthropic, Yahoo Finance What it means for you Your email isn't lost.
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