More graphics detailing the user interface of Microsoft's Courier have leaked to Gizmodo. The images show how touch-screen finger gestures and stylus operations interact with Courier's two glass screens. These images were likely developed in secret by Pioneer Studios, a division of Microsoft's Entertainment and Devices division.

Each journal in the library is fully customizable and searchable. The library button brings the user back to an visual index of all stored journals. Search terms are entered by writing with the stylus. Individual pages can be viewed with finger gestures.