How to Get Rid of AddressBookSourceSync? AddressBookSourceSync irritates the users a lot as it is continuously pop-up on the display screen and continuously asks for permission. Mac users face several issues on their devices that include Slowness, Constant freezes, and crashes because of the error. All these issues use all the resources of the Mac, which results in a reduction in the device’s performance. Although several users have tried updating the OS, change their accounts username, but still, they are facing the issues. Visit:- https://miadavisdotblog.wordpress.com/2019/12/19/how-to-get-rid-of-addressbooksourcesync/