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Level 1

4 points

M1 and external drive os

Hello,

I’ve got MacBook Air M1 and my big question is:

Can I use older Mac OS such as high Sierra or Sierra on external drive and simply boot them on demand?

Posted on Dec 29, 2020 5:01 AM

Top-ranking reply

Level 10

125,213 points

Posted on Dec 29, 2020 5:04 AM

Nope. You can't run a version of macOS before Big Sur.

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