Mac error code 0 copying files is the issue that can be faced by any Mac user and the trouble increases when the error is shown in between of the copying process. This can result in the the corruption of the file and you will not able to open it not from the source and destination. The cause error can be that you do not have the permission of the file or the drive you are copying to. If the drive is corrupted then also you can face the error mac error code 0 copying files. So to resolve it you will have to first configure the permission setting and for the corruption issue you can use the disk utility which is only able to fix the minor issues. If the problem is major then you will have to format the drive which also should be done with the disk utility. When you mac error code 0 copying files then you would be worried about the lost data. You can get it from the time machine backup but if it isn't working then you can use Mac data recovery software which is effective enough to restore all your data. So you should get the software now.