Get back Conda environments after upgraded to MacOS Big Sur

I just upgraded my laptop from MacOS High Sierra to MacOS Big Sur and noticed my Conda is missing including my environments.

I tried installed back Conda but the environments still not available.

Fortunately, the MacOS upgrade did not remove my environments but it just moved them to another location which located here.

/System/Volumes/Data/anaconda3

And my current Conda folder is here.

~/opt/anaconda3

So what I need to do is just copy the environments folder called envs to the current Conda folder.

And…done!

PS: I believed the same method also works if you upgraded to MacOS Catalina.

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