AirPort Extreme can turn your external USB hard drive into a drive you can share with all the users on your network and access securely over the Internet. This feature AirPort Disk is a simple and convenient way to share files among everyone in your family, office, or class.
How does it work?
Just connect the external hard drive to the USB port on the back of your AirPort Extreme and voilà all the documents, videos, photos, and other files on the drive instantly become available to anyone on the secure network, Mac and PC users alike. Its perfect for file sharing, collaborative projects, and more.
You can set up password-protected accounts for everyone on the network or allow read-only access to certain files and folders. If youre using OS X Leopard or later, youll see the drive in your Finder sidebar, where its always available for accessing files and folders. For OS X Tiger and Windows users, a simple-to-use AirPort Disk Utility provides a variety of setup options, including setting the disk to become available whenever you connect to the network.