An "ISO" file is just a disk image. An ISO image contains all the files and folders that were on that disk, much like a zip or cab file contains a collection of files and folders. It is a true digital copy of original.The most important feature of an ISO image is that it can be easily rendered or burned to a BD, DVD or CD by using media authoring or disc burning software.
However, due to lack of knowledge about ISO files, people usually do not care enough about and even deleted them until they acknowledge the inconvenience of burning disks without ISO files. Never mind, you can get them back and make you burning easier. All you need to do is to find a
data recovery which supports recover file of all types, especially ISO files. You will be able to recover them easily since most of data recovery software is user-friendly, and you don‘t have to be a computer geek to manage it. ISO files recovery is just a matter of a couple of steps.