See how try and otherwise protect custom column math from type errors in Power Query, saving time and keeping your refresh smooth.

Microsoft updates for Excel in January 2026 introduce Agent Mode with Copilot, new import tools, clearer error messages, Power Query on Mac and Web, and Office Scripts automation to ease daily tasks.

Power Query often automatically adds a ‘Change Type’ step after loading data to try and assign data types to columns based on the first 1,000 rows. If your data includes inconsistent types, such as ...