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Slicers are one of the most powerful types of visualizations, particularly as part of a busy report. A slicer is an on-canvas visual filter in Power BI Desktop that lets anyone looking at a report segment the data by a particular value, such as by year or by geographical location.
To add a slicer to your report, select Slicer from the Visualizations pane.
Drag the field by which you want to slice and drop it top of the slicer placeholder. The visualization turns into a list of elements with checkboxes. These elements are your filters - select the box next to one to segment, and all other visualizations on the same report page are filtered, or sliced, by your selection.
There are a few different options available to format your slicer. You can set it to accept multiple inputs at once, or toggle Single Select mode to use one at a time. You can also add a Select All option to your slicer elements, which is helpful when you have a particularly long list. Change the orientation of your slicer from the vertical default to horizontal, and it becomes a selection bar rather than a checklist.
