Format an external ssd drive for mac high sierra

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On the left side of the window are the drives connected to the computer. Click the Applications folder - if using a Finder Window Applications will be in the left side menu.ĥ. Double-click on Macintosh HD - or in the Finder menu click File > New Finder WindowĢ.

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Instructions below are for 10.11.x (El Capitan) and 10.12.x (Sierra)ġ. WARNING: Formatting will erase all data on the device.