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User profile for user: Square Peg
Square Peg Author
User level: Level 1
4 points

External boot drive

I have an iMac 27" 2017 running Mojave. I have expensive 32bit legacy apps that I can't replace. Can I make a bootable external drive for running 32bit?

iMac 27″ 5K, macOS 10.14

Posted on Jan 11, 2023 9:50 AM

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User profile for user: Matti Haveri
Matti Haveri
User level: Level 6
16,453 points

Posted on Jan 11, 2023 10:19 AM

Yes. I have Ventura on my main Mac mini 2018 internal disk and Mojave on an external boot disk for old 32-bit apps (as well as VMware Fusion Mojave virtual machine for some light 32-bit tasks when I am booted to Ventura).

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External boot drive

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