Setting Default Slicer/Filter Value

Hi ptmuldoon ,

For slicers, it is not possible to set them directly, but you can use bookmarks to set the default values. For filters, make sure the current report saves the filter settings. Or you can use a url filter.

Create report bookmarks in Power BI to share insights and build stories - Power BI | Microsoft Docs

Create buttons in Power BI reports - Power BI | Microsoft Docs

Filter a report using query string parameters in the URL - Power BI | Microsoft Learn

Hope it helps!

Best regards,
Community Support Team_ Scott Chang

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