There is no actual spell check feature in Documents To Go; we use the built-in Auto Correct Technology. If Auto-Correct is not working when you are using Documents To Go, that is because the iOS setting is turned off. To turn it back on, go to the General Settings on your device. Scroll down and select ‘Keyboard’. In the top box, there should be an option for Auto Correction. Slide this option from ‘Off’ to ‘On’.