US Patent 10503381 Multi-screen email client

An email client having multiple screens that may be displayed in different corresponding ones of a plurality of different display portions of a handheld electronic device. The screens of the email client may be related by way of a dependency relationship and/or may provide for control between the various screens. In one embodiment, the email client includes a folder management screen, a message listing screen, a message detail screen, and an attachment screen. Additionally, the email client may be responsive to received gesture inputs to navigate with respect to the screens and/or perform actions with respect to one or more elements (e.g., messages) of the various screens.