Power BI's Copilot can help generate and explain DAX, create visuals, accelerate analysis and assist with data transformation, but Thomas LeBlanc says developers still need to validate every result.

Build multi-table data models with Power Pivot to upgrade your Excel workflow. Replace flat files and use DAX variables for ...

Describing what your text looks like beats telling Excel where to find it.

Replace values based on another column in Power Query using the Add Column Shuffle method. Apply M code and conditional logic ...