Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

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

Reply
Question marked as Best reply

Posted on Dec 29, 2020 5:04 AM

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

1 reply

M1 and external drive os

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple ID.