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Purchasing CCC
- Bombich Software Sales Policies and Frequently Asked Questions
- How does the free 30-day trial work?
- How much does CCC cost and how can I purchase it?
- Purchasing an Upgrade for CCC 6
- If I pay for CCC now, will I have to pay for future updates?
- Can I use one license of CCC on multiple Macs in my household?
- Do you offer an academic discount?
- Do you offer a volume licensing program?
- Can I give CCC as a gift?
- Why isn't CCC on the Mac App Store?
- Do you offer telephone support?
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Downloading, Installing and Registering CCC
- How do I download and install CCC?
- System Requirements for CCC
- Upgrading from CCC 5 to CCC 6
- How to Manually Enter a CCC Registration Code
- Can I download the old versions of CCC?
- Trouble Applying Your Registration Information?
- How to Register CCC in One Click
- How do I use one license of CCC on multiple Macs in my household?
- Oops, that license code is invalid...
- I already purchased CCC but can't find my registration code. Can you send it to me?
- How do I use a CCC Pro License?
- Migrating CCC tasks from one system to another
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Using CCC
- How to set up your first backup
- How to verify a backup
- How to restore from your backup
- Configure the task filter to exclude files and folders from a task
- How to set up a scheduled backup
- How to modify a scheduled backup
- Monitoring backup tasks with the CCC Dashboard
- Preview: See what changes CCC will make to the destination
- Task History: See your task event details, statistics, and trends
- Protecting data that is already on your destination volume: The CCC SafetyNet
- Files that aren't on the source may be removed from the destination
- The Disk Center
- Comparing the source and destination
- Simple Mode
- Leveraging Snapshots on APFS Volumes
- Granting Full Disk Access to CCC and its helper tool
- Creating legacy bootable copies of macOS (Big Sur and later)
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Sample Usage Scenarios
- I want to migrate data to a new Mac
- I want to back up my data to network attached storage (NAS)
- I want to back up multiple Macs or source volumes to the same hard drive
- Can I run a backup while I'm using my computer? If I have open files, will they be backed up?
- Can I restore my Mac's backup to another Mac?
- I have a backup created by another application or an older version of CCC. Can CCC update my existing backup?
- Can CCC back up my BootCamp (Windows) partition?
- Can I use CCC to copy a Time Machine backup?
- Copying one external hard drive to another external hard drive
- Folder-to-Folder Backups
- Using a CCC backup with a loaner Mac
- Backing up and restoring Finder's Trash
- Refining the scope of a backup task
- Upgrading your backup strategy from Time Machine to CCC
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Troubleshooting
- How do I get help?
- Why doesn't the disk usage on my backup disk match the disk usage on the source disk?
- External Boot Troubleshooting
- Why do some applications behave differently or ask for the serial number after restoring from the backup?
- Identifying and Troubleshooting Hardware-Related Problems
- macOS Monterey Known Issues
- Keeping CCC up to date
- macOS Big Sur Known Issues
- Uninstalling CCC
- macOS Catalina Known Issues
- CCC reported that the destination is full. What can I do to avoid this?
- Antivirus software may interfere with a backup
- What criteria does CCC use to determine if a file should be recopied?
- “CCC found multiple volumes with the same Universally Unique Identifier”
- Finder or App Store finds other versions of applications on the backup volume
- “The task was aborted because a subtask did not complete in a reasonable amount of time”
- Troubleshooting slow performance when copying files to or from a network volume
- Where can I find CCC's log file?
- Why can't I eject the destination volume after the backup task has completed?
- Why does Finder prevent me from viewing the home folder on my backup when it's attached to another Mac?
- Some third-party storage drivers may cause hardware misbehavior
- Troubleshooting APFS Replication
- Coping with errors caused by APFS filesystem corruption
- Preserving Finder comments and tags
- Character composition conflicts on NAS volumes
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Advanced Topics
- Advanced Settings
- Addressing Common Performance Problems
- Working with FileVault Encryption
- Some files and folders are automatically excluded from a backup task
- Performing actions Before and After the backup task
- Configuring Email Notifications
- Backing up to a disk image
- Restoring from a disk image
- Using CCC to back up to/from another Macintosh on your network
- A caveat for backing up to a remote Macintosh that has no user logged in
- Restoring from a backup on a remote Macintosh
- Task Organization
- Using the ccc Command Line Tool to Start, Stop, and Monitor CCC Backup Tasks
- Backing up large files, mounted disk images, and Virtual Machine containers
- Automated maintenance of the CCC SafetyNet folder
- Backing up to/from network volumes and other non-macOS-formatted volumes
- Advanced Scheduling Options
- Modifying CCC's Security Configuration
- Outgoing network connections made by CCC
- Backing up the content of cloud storage volumes
- What is CCC's Privileged Helper Tool?
- The CCC Private Keychain
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Frequently Asked Questions (FAQ)
- Glossary of Terms
- Why doesn't the disk usage on my backup disk match the disk usage on the source disk?
- I want to back up multiple Macs or source volumes to the same hard drive
- Why do some applications behave differently or ask for the serial number after restoring from the backup?
- Can I run a backup while I'm using my computer? If I have open files, will they be backed up?
- Can I restore my Mac's backup to another Mac?
- Identifying and Troubleshooting Hardware-Related Problems
- I have a backup created by another application or an older version of CCC. Can CCC update my existing backup?
- Can CCC back up my BootCamp (Windows) partition?
- CCC reported that the destination is full. What can I do to avoid this?
- Can I use CCC to copy a Time Machine backup?
- I have a full-volume backup in a folder, but it's not accepted by Migration Assistant. How can I restore everything?
- Frequently Asked Questions about encrypting the backup volume
- Frequently asked questions about scheduled tasks
- Frequently asked questions about the CCC SafetyNet folder
- Can I run backup tasks while my system is on battery power?
- System problems can lead to a failure to install CCC's helper tool
- The legacy SafetyNet folder is not used when snapshots are enabled on the destination
- Why does CCC say that my Mac is booted from a backup volume?
- Frequently asked questions about CCC and macOS Catalina
- Frequently asked questions about CCC and macOS 11 (and later OSes)
- When I boot from my backup, Little Snitch reports that its rules have been replaced by a different version. Why, and how can I avoid this?
- Can I pause a CCC task?