Notes about the DI file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries
, unused processes and other unfavourable system settings to identify slowdown issues.
The DI file type is primarily associated with 'Atari' by Atari. .DI-Image format invented by Kolja Koischwitz & Christian Kruger for their 800XL DJ emulator for the Atari ST.