Abstract: An apparatus and method for message conversation in an electronic device is provided. The method includes receiving a message from a first sender, who uses multiple messaging services, through a corresponding messaging service, determining whether IDentity (ID) information of the corresponding messaging service and a user ID of the sender registered at the corresponding messaging service are mapped to ID information of the first sender registered at a receiver in a group, and, when the received message is mapped in the group, displaying the received message and messages of the mapped group in a thread.