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I believe it is mac OS High Sierra 10 for 2019 taxes. When I opened the app to do my 2019 taxes it said I would need Mojave 10.14 or above for 2020 taxes.
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I believe it is mac OS High Sierra 10 for 2019 taxes. When I opened the app to do my 2019 taxes it said I would need Mojave 10.14 or above for 2020 taxes.