CCC 4: Support for macOS Sierra

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CCC 4: Support for macOS Sierra

Update September 16: CCC 4.1.10 qualified on macOS Sierra

Choose "Check for Updates" from the Carbon Copy Cloner menu to download the latest update. And be sure to update your backup before upgrading to Sierra!


Apple announced macOS Sierra today, and as soon as they make the developer pre-release available, we're going to start the process of qualifying CCC 4 against that OS. We'll start with a shorter collection of tests that verifies that nothing harmful is going to happen if you use CCC on that OS. Once that pre-qualification is complete, we'll post a beta release of CCC 4 that folks can use for testing on the new OS. Over the summer, we'll continue the full regimen of qualification and testing, and once we're happy with the results of our tests, we'll post an update to CCC 4 that runs on Sierra.

Will I have to pay for an update to CCC that works with macOS Sierra?

When we have completed CCC 4 qualification on Sierra, we will issue an update to CCC 4 that is free to all current CCC 4 license holders.

What happens if I try to run the current (stable) release of CCC 4 on macOS Sierra?

CCC 4.1.9 will open on Sierra, but you'll be greeted with a message stating that CCC isn't yet qualified on Sierra. For more information about how and why CCC presents this message, see Coping with Apple's pace of innovation in an application that can delete files.

Update June 23: CCC 4.1.10 beta posted

Our preliminary testing turned up a couple really minor issues, which we've addressed and rolled into a beta release of CCC 4.1.10. If you would like to participate in CCC's beta testing program, open the Software Update section of CCC's Preferences window, check the box next to Inform me of beta releases, then click the button to check for updates.