File Extension .UIF Details Details for file extension: UIF - Magic ISO Universal Image Format File (MagicISO Inc.) - MagicISO is a CD/DVD image file creating / editing / extracting tool. It can open / create / edit / extract CD/DVD image files, and it can convert bin to iso and back. Universal Image Format (UIF) is a compression image file format for backing up CD/DVDs. MagicISO has a freeware program called MagicDisk that can open UIF files on Windows computers. A UIF file on a Macintosh should be handled like a DMG file. with extensionfileformatimageisomagicuifuniversal