It is possible to autotune singing natively from Adobe Audition CS6 onwards. Although I’m a great fan of the Waves Tune LT plugin in this video I show you how to achieve a similar sound using pitch correction in Adobe Audition.
Update 2022
Adobe Audition CC has introduced many amazing updates and features. I am pleased to say that ability to Autotune is still there. Here is an update to the above video, geared for the CC users.
Adobe Audition Audio Presets
If you are looking to improve the sound of your voice easily with minimum audio editing knowledge my audio presets may be just what you need! Dedicated presets to noise reduction, radio imaging and podcast post editing are there. With thousands of users across the globe and glowing reviews, you will find those an excellent addition to tour post editing routine.