To walk you through it, here's a step-by-step guide on how to move your iTunes library to an external hard drive. This tutorial is also available as a step-by-step video.
Move your iTunes library to an external hard drive
by CNET News.com | May 15, 2009, 4:00pm PDT | Image 1 of 8
If you're an iTunes users whose appetite for music, movies, and podcasts is outstripping the capacity of your computer, it might be a good time to think about offloading that library to an external hard drive or a separate internal drive. If you do it right, the process is relatively simple, although the transfer time could take an hour or more depending on the size of your collection.