Yes - they're already on my computer, so any full-disk backup service will back them up by default. There's an option to purge them from disk and download from iCloud on demand, but you don't need to use it: https://support.apple.com/en-us/111762

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vizzier 6 hours ago | parent [-]

ah fair, I was thinking on the iphone, but in fairness this is a thread about a laptop

	▲	fizwidget 5 hours ago \| parent [-]
		Even on an iPhone you can back up your library to Google Photos or other services. You just can’t do so directly through Apple’s Photos app.