Are you finding a way to Fix Keys Out of order error Mac ? Your files stored in the Mac drive can be inaccessible at certain times, many mac users have reported that they have experienced keys out of order error. The keys are used to locate the directory, the keys contain the catalog node ID of the files in the folder, so if you are getting keys issue then all the files and folders will be inaccessible and until you Fix Keys Out of order error Mac the files will not open. The keys become out of order when they get damaged. The can be because of the corruption in the hard drive which you can try to fix by using the disc utility. There is a first aid facility in it which can will scan the drive and remove the corruption. If it can not Fix Keys Out of order error Mac then you have to format the drive and then recover the data later by using time machine. If time machine does not prove to be any help then try Mac data recovery software and scan the formatted drive and get all data back when you Fix Keys Out of order error Mac.