System and methods of searching conversations are provided. At a computing device having one or more processors and memory storing programs executed by the one or more processors, and responsive to a search query a conversation having two or more messages is identified. Further, there is formatted for display to a user (A) information representing the identified conversation, and (B) a sorted sender list displayed as a single-line item, associated with the identified conversation. The sorted sender list includes (i) a first sender identifier identifying a first sender of a first message in the two or more messages, and (ii) a second sender identifier identifying a second sender of a second message in the two or more messages. The first sender list identifier and the second identifier are sorted.