Power bi default value if nothing selected

1. How do I select the default value in a dropdown in power bi?
2. How do you exclude a value from a filter in power bi?

How do I select the default value in a dropdown in power bi?

To make it default value, go to format pane > Selection controls. Here, turn on the single selection toggle. This is how we can set the current month as the default value in a Power BI Slicer.

How do you exclude a value from a filter in power bi?

there is a new function in powerbi. when you right click on a row you would like to exclude, there should be an "exclude" on the pop up menu. SomeOtherFilter is there just to show how you could possibly keep other filters that are applied eg.