Copy, Configure, or Sync an Existing Filter
In a filter editor, select Copy Existing Filter to add a filter that already exists. Under From Library, the dialog lists the Filter Library entries for the object. Under From Other Audiences, it lists the filters that other audiences use on the object.
On a library entry, choose Copy, Sync or, for a configurable entry, Configure & copy. See Use a library filter in an audience for what each choice does.

