There is another way to recover hidden files from pen-drive or external hard disk. To unhide your files and folders follow these simple steps: 1) Open command prompt: start - > run -> type cmd -> Ok command prompt will open now . 2) Check Drive Letter of you pen drive from 'My Computer'. For example, If it is labelled as " H: drive " -> type ' H: ' hit enter now pointer location will go to the drive. 3) type this command and hit enter : attrib -r -s -h *.* /s /d Now all your files and folders are visible to you now!!