My Passportâ„¢ User Manual i _____. My Passport portable hard drive, with the WD Backup, WD Security and WD Drive Utilities software. Your My Passport drive is formatted as a single NTFS partition for compatibility with all updated Windows operating systems. If you want to use the drive with a Mac.
This answer explains what WD drives have been confirmed to work as bootable devices in Mac OSX Tiger (10.4.x) and Leopard (10.5.x).END Apple's Mac OSX can be installed on many WD external drives. However, not all WD drives can boot both Intel and PowerPC Mac computers.
Below is a listing of drives that have been verified to work as bootable media with Mac OSX. Critical: While it may be possible to boot your computer to an external hard drive, Western Digital does not provide technical support for booting your computer using an external hard drive. Please see the following article by Apple for basic assistance:. If these instructions do not assist you please contact for additional assistance.