
In case the disappeared files are not in Mac Trash, and 500GB of disk space previously occupied by the files are released now, the files shouldn't be hidden, therefore, the files may be permanently deleted from the external hard drive. If luckily, the lost files are in Mac Trash, you can right-click them and choose "Put Back" to recover them with ease. When you find files disappear from external hard drive on Mac, you can first go to Mac Trash to check whether you have accidentally deleted those files previously kept in empty folders. There are some effective methods you can try to recover lost files from external hard drives.



Files missing from folders on external hard drives connected to Mac could be the result of accidental manual deletion, mistaken reformatting, virus or malware infection, hard drive corruption, system bugs, etc.
