This feature will auto-capitalize words that begin a sentence in the message window.
1. Select the Settings button in the toolbar.
Note: If the Toolbar is hidden, first select the Edit Button at the top right corner of your screen.
2. Select Interface.
3. Select the Message Windowtab.
4. Select the check box next to Auto-Capitalize.
5. Select the Donebutton in the top right-hand corner of your screen.