Xbox 360 File Manager File

For "full trust" access to internal partitions, PC-based utilities are the most reliable method for managing Xbox 360 drives. 360 Content Manager - ConsoleMods Wiki

While not an app on the Xbox, this is the most powerful tool for managing Xbox 360 files from a computer. It allows you to connect your Xbox 360 hard drive to a PC via USB and manage files at high speeds (USB 3.0 support) without the bottlenecks of FTP. xbox 360 file manager