How to Add Timeline in Power BI

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Here’s how to do it:

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1. Let's start by opening the 'Visualizations' pane on the right side of your Power BI workspace.
2. Look for the 'Slicer' visualization icon and click it to add a new slicer to your report.
3. Drag your Date field from the Fields list into this slicer. Power BI will automatically recognize it as a time field.
4. With the slicer selected, click the 'Format' icon (the paint roller) to access visual customization options.
5. In the Format pane, find and expand the 'Slicer settings' section where we'll transform this into a timeline.
6. Under the slicer type options, click the dropdown and select 'Timeline' instead of the default 'Dropdown' option.
7. That's it! You now have an interactive timeline in your Power BI report. You can adjust the date range by dragging the sliders or selecting specific time periods.