Introduction
The ALL function in Power BI helps you ignore filters on a table or column. This lets you see total values without any filter affecting the result. It is useful when you want to compare filtered data to the overall total.
When you want to show total sales for all regions even if a region filter is applied.
When creating a percentage of total measure that ignores slicer selections.
When you want to reset filters on a specific column inside a measure calculation.
When comparing filtered results to the grand total in a report.
When you want to clear filters on a table to calculate overall averages.