An ISO image or .ISO file is a computer file containing the complete contents of a CD, DVD, or other disc or disk. ISO images are an exact backup of these media, which makes the sharing or distribution of them over the Internet easier.

CD terms, ISO, ISO 9660, LiveCD

  • How to make a CD or DVD from an ISO file.
  • See the computer file extensions page for a full file extensions list.
  • CD-ROM help and support.
  • DVD help and support.