XDI (Extended Disc Image)
From Just Solve the File Format Problem
XDI (Extended Disc Image) is a compressed disk image format apparently associated with the archiving application WinArchiver. It seems to be intended for images of optical discs.
Disambiguation
Not to be confused with XPACK disk image.
Identification
XDI files start with ASCII "XDI", possibly always followed by bytes (hex) 00 41 00 00 00.
