How to Open Cue Files?
CUE file is a kind of text file that defines the way tracks are organized on compact discs and super-audio CDs (SACDs). For example, a CUE file may contain the song name, performer, and length of each track on the disc. CUE files are written in a standard format and therefore are recognized by most CD playback and editing programs.
Open CUE files using Daemon Tools
Install Daemon Tools and reboot. After reboot a small icon should be appear in the TrayBar as it showed on the picture.

Click on this icon with left mouse's button and there will appear a popup window with available VIRTUAL drives. Refer to the picture, it is available empty virtual drive I:

Select any drive you want (it could be not empty) and there will appear a file selection dialog asking you to provide a image file (for example cd.cue) to use it and emulate a CDROM. Browse and select CD.CUE file like it showed on the image and click 'Open'.

Now the image is connected to virtual drive and you can explore a disk like it is loaded into cdrom.

Open CUE fils using MagicISO
Download, intall, and run Magic ISO.
Click
button on toolbarChoose CUE file and click Ok to open.
Drag files or folders from Windows Explorer to ISO file panel or Folder panel. or click
or
button for adding files or folders.Click
to create new folderClick
to edit properties of CUE file.Click
to rename file or folder.Click
to remove files or folders away from CUE file.After complete to add and edit CUE file, click
button to save file, or click
button to save with new file.