Cdi extension is associated with DiscJuggler Disc Image. You can try to open cdi files with DiscJuggler software.
Cdi extension stands for backup files. These files are created by CD-DVD writing softwares called DiscJuggler. You have chance to open and write different kind of file formats. Such as CD-R, CD-RW, DVD-R, DVD+R, DVD-RW, and DVD+RW. You will need DiscJuggler software to open cdi files on your computer. To get detailed information you may check the following link.
What to use cdi
which page related to cdi file
cdi Related Searches
You can check related links about cdi fileextension.