How to find out when a backup last ran: CCC Task History

This documentation is for an older version of CCC. You can find the latest version here.
Last updated on August 30, 2021

To find out when a backup task last ran, click on the Carbon Copy Cloner icon in your menubar, then move the mouse over the submenu of the task you would like to inspect. The submenu for each task will indicate when the task last ran, the status of that last run, and when the task is scheduled to run next (if applicable). Select Show task history... to open CCC and view more detail about the previous times that that task has run.

Show task history menu item

Each time CCC performs a backup task, the results and statistics of that task are recorded and displayed in CCC's Task History window. To view task history, click on the History button in the toolbar, or choose History from the Window menu. Within the Task History window, your task events can be filtered and sorted by task name, source, destination, or start time. CCC will show up to 1000 task history events. Each event will indicate when the task started and ended, how much data was copied, and the overall status of the task. The color of the status indicator is defined as follows:

  • Green: Task completed successfully
  • Yellow: The task completed, but errors occurred while transferring some files
  • Red: An error occurred that prevented the task from completing
  • Gray: The task was cancelled

If errors occurred, CCC will indicate a list of the affected files. CCC does not record a list of every file that is copied.

Error Reporting

There are many hardware and filesystem problems that could affect your Mac's hard drives. Filesystem and media corruption are commonplace, and CCC delivers expert advice to you when the errors occur. CCC's Task History window shows the results of all of your backup tasks, and details of any errors that occur. CCC enumerates these errors, analyzes them for common conditions, then explains the problem in simple terms with down-to-earth advice for fixing the problem.

Task History window showing errors

You can resize the task history window to see more events at once. You can also drag the divider at the bottom of the events list to make more room for error messages.

Exporting a list of affected files

If you would like to save a list of the affected files in the errors table, select the affected items (or press Command+A to Select All), then choose Copy from CCC's File menu (or Command+C) to copy the list of items to the clipboard. Please note that every error may not be the same. When you export a list of files, the per-file contextual information is not retained. Return to CCC's Task History window for the contextual information and advice specific to each file.

Getting help for common errors

When errors occur, CCC will categorize the error and offer troubleshooting advice. For some errors, CCC will offer helpful buttons at the bottom of the task history window that will, for example, take you to Disk Utility or reveal a corrupted file in the Finder. Click on each error to see what CCC recommends to resolve the error. If you're stuck or overwhelmed, or if CCC's advice alone isn't helping you resolve the problem, click the "Help Me!" button to submit a summary of the problem to the Bombich Software Help Desk.

Related Documentation

Can I remove events from CCC's Task History window?

You cannot remove specific events from CCC 4's Task History. You can, however, clear the entire Task History if you quit CCC, then remove the contents of this folder on your startup disk:

/Library/Application Support/com.bombich.ccc/History