One or more computing devices, systems, and/or methods for displaying messaging interfaces based upon email conversations are provided. For example, an email conversation associated with a plurality of user accounts may be identified. Email activity associated with the plurality of user accounts may be monitored. Based upon the email activity, it may be detected that a second plurality of user accounts of the plurality of user accounts are concurrently in an active state. A first device, associated with a first user account of the second plurality of user accounts, may display a first messaging interface comprising a first representation of the email conversation. A second device, associated with a second user account of the second plurality of user accounts, may display a second messaging interface comprising a second representation of the email conversation.