iMac error 50 has been encountered by many iMac users and they have no clue how to fix it. This error generally shows up when the the user tries to copy or move any file to another volume. Many a time the volumes if external drive create problems for the file transfer. Some of the reasons for this error are you do not have the permission to move the file. It may also happen that the drive is not mounted well or it is corrupted due to some factors. You can try to fix iMac error 50 by changing the permission settings, reconnecting the drive and if the drive is corrupted then you have to format the drive. The formatting will also remove the previously stored files, you can get them back after you fix iMac error 50 by using any backup source. If the backup is not there then you can use the Mac data recovery software which can make the complete scan of the drive and then show the results after quick interval of time. You can choose the files you want and restore them. The software is easy and effective and you should download it as it is compatible with iMac. So download the software now.