On Monday, the company announced that its Copilot AI is now available as an Excel function for Microsoft 365 insiders. That means you can add COPILOT to a formula and then use natural language in a ...

Within hours, security researcher Chase Dardaman figured out a way to use Microsoft's new feature to load the CoinHive in-browser miner through a custom JavaScript Excel function.

You’ll use LAMBDA () functions the same way you use Excel functions. To demonstrate, enter the function and reference the values shown in Figure B, =SUBTRACTL (B3,C3).