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Carbon Copy Cloner for Mac

Download Editors' Rating:
Average User Rating:
out of 297 votes

Quick Specs

  • Version:
  • Total Downloads:
  • Date Added:
    Dec. 19, 2012
  • Price:
    Free to try (30-day trial); $39.95 to buy
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Editors' Review


Carbon Copy Cloner is a simple, donation-ware utility for cloning entire drives, performing incremental backups, and scheduling ongoing backups. This app has a long track record as one of the most useful and reliable disk utilities available, and its interface and features (especially for scheduling) have only gotten better. Its also kept up with the Mac OS, adding support for HFS+ filesystem compression. Other recent updates have integrated support and documentation into the app better, speeded up recovery of files from damaged volumes, and ensured that Carbon Copy Cloner excludes the Time Machine database.

Carbon Copy Cloner makes it very easy to quickly clone a hard drive (i.e., duplicate every single file on the drive, even at the block level), or you can indicate which files and folders should be copied--and you can also direct it to only copy files that have changed since the last backup. Carbon Copy Cloner can help you schedule regular backups, too, according to any schedule you set, and it can also work with iPods and remote Macs. Carbon Copy Cloner may have a fairly narrow feature set (for example, you can't back up directly to optical disks), but it provides a lot of well-executed functionality at a low price.

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User Reviews
  • Current Version


    out of 4 votes

    • 5 star 3
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    out of 297 votes

    • 5 star 242
    • 4 star 29
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Results 1–4 of 4

5 stars

"Carbon Copy Cloner: superb solution for what you need"

August 17, 2013  |  By resedaruss

 |  Version: Carbon Copy Cloner 3.5.2


First, one needs to decide what one wants from a 3rd-party backup application. In my opinion, we just need one that makes clones of the source-disk. Archival backups are handled perfectly by Apple's built-in Time Machine.

But, you can't boot from a Time-Machine backup. That's why you want a clone. The best backup solution is both a Time-Machine backup and a clone backup--both running on a schedule in order to catch all permutations of the source disks contents.

CCC is 1) fast (taking 90 minutes to backup 250 GB onto an erased USB 2 drive), 2) runs unobtrusively in the background without causing issues with any other users of my Mac that may be logging on and off during the backup, and 3) takes about 5 minutes to perform incremental backups during scheduled runs.

After a 15-year quest for an issue-free backup application (of which many of my previous candidates cost me plenty), I now have an elegant solution for only $40--Carbon Copy Cloner.


I don't know of any serious cons. Some users may be put off by a scheduler that one has to be moderately creative to make work, say, every hour on the hour, but most people will figure out the obvious way that that can be accomplished. I wrote the company about this and they replied back that they are doing a rewrite of the scheduler that will make it more simple and friendly.

If nothing else, that in itself is evidence that the company cares about this product and is dedicated to making it the best product they can.


I can't imagine needing more than Carbon Copy Cloner and Time Machine archival backups. Both make a complete backup solution.

One could rotate through backup disks, and keep some of them off-site for a truly business-oriented approach for keeping data that can't be lost, but home users would neither put up with the expense nor the rigor of multiple off-site backups.

Having a CCC clone and Time Machine archive handles everything I'm going to worry about. I might lose data based on a disaster of some kind that destroys my home office. But I'll deal with that contingency later, if and when it becomes necessary.

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5 stars

"Continues to be Great"

July 13, 2013  |  By WGibson6481

 |  Version: Carbon Copy Cloner 3.5.2


I have used CCC for about 10 years (since it was released as part of Ten for X Utilities v2. It continues to be the state of the art, IF you use a Mac, you cannot afford to be without this utility program. And, as it is free, you really cannot afford to be without it.


I cannot think of any.

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5 stars

"Excellent product that does what it is supposed to do."

April 28, 2013  |  By jimmcacoe

 |  Version: Carbon Copy Cloner 3.5.2


Pretty easy to setup, i.e. schedule; works flawlessly, no problems; shows a popup after running the backup that lets you know it completed the backup.


If you want more information on folder sizes, etc., you have to dig a bit deeper than with Super Duper, however I had no mystery popups from Apple about "run or quit scripts" that constantly blocked Super Duper from doing the backups, an apparently rare problem on a Mac, but a frustrating one, so I shut down Super Duper and rely solely on CCC.


I love Carbon Copy Cloner. It is simple to set up and it works every time.

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2 stars

"Not What I Expected"

December 28, 2012  |  By MacRonTunesIn

 |  Version: Carbon Copy Cloner 3.5.2


It copies everything and provided a sense of security, although the backup options at first seemed a bit confusing.


I have two port the backup drive could attach to my Macbook Pro. After the first long backup of not only the Macbook drive, but an external drive, which took over a day, I felt I was ready to set it and forget it, using automatic schedules. The second backup did not wake my mac as it was supposed to, so I changed the time. The third backup got an error message that I changed the port the drive was originally plugged into gor backup, therefore it failed. There was only 1 other port I could have used so I gave it the benefit of the doubt and switched ports, even though I know I uwas using the same port. Same error, the port was not the one used fr the original backup, therefore it failed. With only two ports physically capable of plugging in my backup drive, that left me with two options. One, do a complete nearly 2 day backup of my drives, or find another program. I found a another program to supplement Time Macine.


I paid for it, but from what I read, at one time it was free. I would be writing spectacular extatic reviews that were Super Duper, which is my next try at a backup supplement. It started out simple, but then became somewhat confusing when the different types of backups were unveiled.

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Results 1–4 of 4

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Full Specifications

What's new in version 3.5.2
  • Added support for sending notifications to Mountain Lion's Notification Center. Growl support will continue to be supported for Snow Leopard and Lion, but in Mountain Lion, CCC will only send notifications to the built-in Notification Center. We understand that Growl offers functionality beyond Apple's Notification center, but the time required to maintain support for Growl and protecting CCC from problems specific to Growl has become too much of a burden to continue its support when there is a capable alternative offered by the operating system.
  • Scheduled tasks configured to run when the source or destination is reattached now have an optional reminder interval. If your source or destination volume hasn't been attached in a given length of time (7 days by default), CCC will run the task and prompt you to attach the volume.
  • When selecting a folder as the source or destination, CCC now displays a "bread crumb"-style indicator of the path to the folder to make it more clear where exactly the source and destination folders are located.
  • CCC will now warn you if your USB-attached source or destination volume is "slow", e.g. attached in a manner that results in the interface speed being negotiated to 1.5MB/s or less.
  • Task names are now sorted in a case insensitive manner in the Scheduled Tasks window.
  • Improved CCC's handling of MacFUSE filesystems that do not explicitly allow access to the root user.
  • Made some improvements to how CCC prevents sleep during a backup task.
  • Improved handling of mounting network volumes with guest privileges.
  • CCC now offers a simple mechanism for updating the password for the credentials used to mount a network volume in a scheduled task (e.g. if the password was specified incorrectly when the task was created or has subsequently been changed).
  • There is now only one menu item for creating a Mac OS X Installer in CCC's Source menu. Selecting this item will automatically select the Mountain Lion installer, if present, the Lion installer if present (if the ML installer is not present), or give the user the opportunity to manually select a Mac OS X installer application. The user can also hold down the Option key while choosing this menu item to manually select a Mac OS X Installer application.
  • When CCC's Cloning Coach reports that the destination's Recovery HD needs to be updated, updating that Recovery HD is now much more automated.
  • CCC now works around problems cloning a Recovery HD volume that are caused by PGP and Paragon "flavors" of the GUID Partition scheme.
  • Fixed some issues handling file ownership when the source or destination filesystem is nfs, ppfs, osxfusefs, or fuse4x.
  • Made a few adjustments that should cause CCC to behave better while logged in as the root user. We don't recommend logging in as the root user, nor do we spend a lot of time testing this configuration, but it should work better now.
  • Made some improvements to how a logout event is handled. During logout, the WindowServer is torn down. Depending on the timing of that and when a CCC scheduled task manages to exit, it's possible for the scheduled task to make requests to the now-absent WindowServer which can lead to an exception. That exception can place CCC into an indeterminate state for a prolonged period of time. Now if a backup task is running and you log out, CCC will abort the backup task and exit more quickly. If an exception occurs, a secondary termination mechanism will reliably terminate the scheduled task, allowing it to properly reload and reconnect to the new WindowServer process.
  • Some email servers require SSL but do not support STARTTLS, which is the IANA-approved standard for negotiating SSL-protected connections to SMTP servers (http://tools.ietf.org/html/rfc3207). This update accommodates these servers by pre-negotiating an SSL connection when using port 465.
  • Made some minor user interface adjustments to accommodate the behavior of encrypting Fusion volumes.
  • Fixed the errant presentation of a configuration concern when the destination volume's Recovery HD OS version is not a perfect match to the OS version on the source. It is appropriate, for example, for the source volume's OS to be 10.8.2, but the Recovery HD volume's OS to be 10.8 (because Apple does not update the Recovery HD during ordinary OS updates).
  • Fixed a schedule calculation issue for monthly tasks in which some months could be skipped.
  • Fixed an issue in which some folders in the list of items to be copied could not be opened.
  • Addressed a couple issues where CCC would hang while trying to retrieve information from an unresponsive volume.
  • Filenames that use more than 255 bytes (e.g. less than 255 characters, but with non-ASCII, multibyte characters) are now preserved properly.
  • Fixed an issue in which applying the Mac OS X 10.8.2 Supplemental update would cause CCC scheduled tasks to report that "Mac OS X is not responding to CCC's request to perform a privileged task".
  • Fixed an issue in which CCC was unable to copy files to the destination if the root folder of the source was locked.
Publisher Bombich Software
Publisher web site http://www.bombich.com
Release Date December 19, 2012
Date Added December 19, 2012
Version 3.5.2
Category Utilities & Operating Systems
Subcategory Backup Software
Operating Systems
Operating Systems Mac OS X 10.4 Intel/PPC, Mac OS X 10.5 Intel/PPC, Mac OS X 10.6/10.7/10.8
Additional Requirements None
Download Information
File Size 11.96MB
File Name ccc-
Total Downloads 207,460
Downloads Last Week 379
License Model Free to try
Limitations 30-day trial
Price $39.95

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