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I need to remap the tab key to a function key, as the Tab is broken. I've looked at Karabiner, but it doesn't work on Sierra

marked as duplicate by Allan, Nimesh Neema, Ɱark Ƭ, nohillside Dec 11 '18 at 14:37

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    Have you looked at Karabiner Elements? I haven't used it directly, but it's the new version being developed for macOS Sierra. – Monomeeth May 22 '17 at 22:41

While Karabiner does not work in MacOS Sierra they offer Karabiner Elements which has a subset of Karabiner's features.

One of the features it does have is the ability to map a function key to tab.

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