👨‍💻 Separating your work life from your personal life: By having two operating systems, you can elegantly separate your work life from your personal life to avoid embarrassing issues with mixed-up email attachments and other similarly unpleasant problems.

🧪 Testing: It’s always a good idea to test if a new version of macOS is compatible with all apps you rely on, and you can do just that by installing macOS on an external SSD or HDD.

Here are some situations where this approach can be especially useful: When you install macOS on an external hard drive, you can get your hands on the latest and greatest features without the risk of making your computer unusable. At the same time, new versions of macOS always introduce attractive new features, and it’s understandable if you want to try them as soon as possible. It’s not uncommon for users to see their Macs become less stable than a hormonal teenager going through a caffeine crash. Seasoned Apple users know that when a new major version of macOS is released, things do always go smoothly. When It Makes Sense to Install macOS Monterey on an External Hard Drive

Is It Possible to Install macOS Monterey on an External SSD?.

Install macOS on Your External Hard Drive

When It Makes Sense to Install macOS Monterey on an External Hard Drive.

When it is done, backup the disk image to your online/local backup. Select Save the home folder in a disk image and Click Delete User. Access System Preferences→Users & Groups, and Clock minus button on the bottom in the left panel. First of all, create a new admin account and login with this account. There is an easy way to backup each user account on your Mac. If you have more than one user on your Mac, and you’re only interested in backing up your own data, just go one level deeper and select your user account from within the Users folder. Each user account contains your Desktop files, documents, downloads, videos, music, and pictures. This will back up your user account, along with any other accounts on the Mac, plus any shared data. When choosing what to backup manually, most importantly look at the Users folder, located by default at Macintosh HD/Users/.

So, If you skip this step, you won’t be able to recover your data if something goes wrong. Note: A clean install of macOS Sierra on the startup drive completely erases all data on that drive including all your files (documents, music, movies, pictures, and even apps).

Install macos on usb