Sometimes, the files are accidentally deleted but you don't even notice that. There are the most common reasons why the files are disappeared in external hard drive on Mac: Why do files suddenly disappear in external hard drive? Why do files suddenly disappear in external hard drive? How to fix this issue and recover disappeared files in the external hard drive? Please move forward. Is there any way I can find and access the old files again?
I know the data I already had on there is still on the hard drive because nearly half of the space on the drive is used up. I am trying to use my external hard drive I have had for a couple years to back up some files on my computer, but the data I had stored on there already have disappeared.