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OS X: Do not remove or modify the SyncServices folder

As if it were a swarm of bees, you should stay away from the SyncServices folder. Removing or modifying anything in the SyncServices folder - or in any subfolders within it - may cause unexpected issues. 

The SyncServices folder is located in the Application Support folder, in the Library folder of your Home folder. It stores information related to synchronizing data such as contacts and calendars across devices and computers. Deleting or modifying things in the SyncServices folder may cause unexpected results such as:

  • Duplicate contacts in Address Book or appointments in iCal.
  • Data loss in Address Book or iCal.

Important: Any lost or duplicate data could propagate to other devices and computers you sync with. This means data could be lost on other computers and devices. 

Additional Information

If you are attempting to troubleshoot an issue that involves this folder in OS X Mountain Lion or earlier, try resetting sync services instead.

If resetting SyncServices does not resolve the issue, try advanced Sync Services troubleshooting steps instead.

Note: OS X Mavericks does not use Sync Services. Instead, Mavericks supports sharing your information using several network-based and cloud-based solutions. If you want to sync your information across multiple devices and computers, you should use one or more of these methods. These include iCloud, CardDAV servers, CalDAV servers, or servers that use the Exchange ActiveSync protocol.

Last Modified: Oct 23, 2013
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  • Last Modified: Oct 23, 2013
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