Sierra USB

Sierra USB 1.1

Free
Sierra USB helps you to create your installation USB device.
 
1.1 (See all)

Sierra USB is a simple app that allows you to quickly create a USB device or a bootable USB support with OS X 10.12 macOS Sierra inside. The app will format your USB device in the "Mac OS Journaled" format and will copy all the files needed to boot from the device.

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