CrashPlan for Home service was discontinued on October 22nd, and there is no reason to keep the app running. It’s no longer usable, so I recommend users uninstall it. I found out the hard way that it’s not so easy, though. Simply deleting the app does NOT stop the service.

Instead, this is what I needed to do to uninstall CrashPlan (Thanks to Tidbits.com):

In the Finder, choose Go > Go to Folder or press Command-Shift-G.
In the dialog that appears, copy and paste the line below and click the Go button:/Library/Application Support/CrashPlan/Uninstall.app

Go to Folder dialog in the Finder

If you don’t see the Uninstall app, that means CrashPlan was installed just for your user, so copy and paste this line instead and click the Go button:~/Library/Application Support/CrashPlan/Uninstall.app

The Finder displays the CrashPlan application support folder, which contains the Uninstall app.

CrashPlan application support folder showing Uninstall app

Double-click the Uninstall app to run it, click the Uninstall button, enter your administrator password when prompted, and when it finishes, click the Exit button.

CrashPlan uninstaller finished dialog

CrashPlan folder emptied of all files

The Uninstall app deletes the main CrashPlan app along with everything from the CrashPlan application support folder, and there’s no reason to keep that folder either. Navigate up one level in the Finder—press Command-Up Arrow—and then delete the empty CrashPlan folder. If the app remains in your Applications folder, TidBITS reader Tom Tubbiola has the solution:—copy and paste this line into Terminal to remove any “immutable” bits.chflags -R nouchg /Applications/CrashPlan.app chflags -R noschg /Applications/CrashPlan.app

Finally, if you were backing up to a local destination, you can delete the folders containing those local backups. They’ll have long numeric names like 312757381423956228 and will contain a cp.properties file.

Folder showing CrashPlan backups

That’s it. If you were using CrashPlan for Windows or Linux as well, refer to Code42’s instructions for removing CrashPlan from those operating systems.

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