4. The method of claim 3 , whereby if more than one electronic mail message is displayed in the conversation grouping record, displaying each of the plurality of electronic mail messages in successive lines beneath the conversation grouping heading.
4. The method of claim 3 , whereby if more than one electronic mail message is displayed in the conversation grouping record, displaying each of the plurality of electronic mail messages in successive lines beneath the conversation grouping heading. 5. The method of claim 4 , further comprising displaying each of the more than one electronic mail messages that comprise a common conversation thread in an indented orientation relative to a preceding displayed electronic mail message belonging to the common conversation thread.