An electronic device: displays a plurality of representations of electronic communications associated with a first grouping and a filter affordance that corresponds to a set of filter criteria; and detects a selection input selecting the filter affordance. In response to detecting the selection input, and in accordance with a determination that the selection input corresponds to a first input type, the electronic device: ceases to display a first set of representations of electronic communications from the first grouping that do not match the set of one or more filter criteria; displays a second set of representations of electronic communications from the first grouping that match the set of one or more filter criteria; and displays an indication of the set of filter criteria that have been applied to the electronic communications associated with the first grouping.