If you’re a Mac user setting up or erasing this hard drive up with your computer is super easy follow these steps:
1. Plug in the hard drive
2. Open up disk utility found in your applications folder inside the utilities folder
3. Next select the newly plugged in a hard drive and on the right-hand side you should see partition click on that.
4. Then inside that screen on the partition layout drop-down choose how many partitions you’d like to set up. I generally go with one partition and just use folders to organize my files.
5. Then on the right-hand side you can name the partitions and select the format. If you want your hard drive to work with your Mac for doing Time Machine backups (which I highly recommend) choose Mac OS Extended. Sometimes it’s good to make two partitions and one using “MS-DOS fat” if you might be transferring files to and from a Windows machine. The reason is Windows machines and Max can read and write to the “MS-DOS fat” format but your files will need to be under 4 GB each as that’s the maximum file size it can hold.
6. Then click apply and your Mac will create all the partitions you wanted and you’re good to go.
You can see in more detail at website: http://goo.gl/b3UTWb