Customizing Tooltips in Power BI Desktop

Tooltips are an elegant way of providing more contextual information and detail to data points on a visual. The following image shows a tooltip applied to a chart in Power BI Desktop.

Default tooltip

When a visualization is created, the default tooltip displays the data point's value and category. There are many instances when customizing the tooltip information is useful, and could provide additional context and information for users viewing the visual. Custom tooltips enable you to specify additional data points that display as part of the tooltip.

How to customize tooltips

To create a customized tooltip, in the Fields well of the Visualizations pane drag a field into the Tooltips bucket, shown in the following image. In the following image, two fields have been placed into the Tooltips bucket.

Adding tooltip fields

Once tooltips are added to the field well, hovering over a data point on the visualization shows the values for those fields in the tooltip.

Custom tooltip

Customizing tooltips with aggregation or Quick Calcs

You can further customize a tooltip by selecting an aggregation function or a Quick Calc by selecting the arrow beside the field in the Tooltips bucket, and selecting from the available options.

Tooltip with Quick Calc

There are many ways to customize tooltips, using any field available in your dataset, to convey quick information and insights to users viewing your dashboards or reports.