17applications in this hub
An ISO image is an uncompressed archive file (with the .iso file extension) of an optical disc.
The difference between a normal archive file and an ISO is that the ISO file is a byte-for-byte copy of the low-level data stored on the disk whereas the archive is composed of compressed files.
A wide variety of applications include an option to save the contents of a disc to an ISO image, but only software specialized in handling ISO content will enable users to make ISO files with the data they choose.
Users can also create ISO images by converting other files to this format.