As Microsoft ramps up Copilot’s capabilities in Excel, the AI tool is becoming genuinely useful for spreadsheet work.

Free spreadsheet apps are a cool idea, as long as you’re comfortable with their limitations. Many are ad-supported, for instance, so expect part of your screen to be trying to sell you something.

Cutting corners: Spreadsheets are a staple of so many jobs and business fields that it is almost impossible to quantify their economic value. People adept with this tool are in high demand and often ...