ISO file is a type of digital file that contains an exact copy of the data from a disc, like a CD, DVD, or Blu-ray. Also it’s essentially a snapshot of everything on the disc, including all the files and folders. People use ISO files to make backups. Also of their discs or to create new discs with the same data. ISO files are often used to distribute software, games, or operating systems. Because they ensure that the original data is preserved perfectly. To use an file, you can either burn it to a physical disc or open it with special software. Also that lets you access its contents directly from your computer. This makes it easy to install programs or access files without needing the original disc.