CDI file icon

CDI File Extension

DiscJuggler Disc Image

What is CDI file?

CDI files are used for storing disc images created using DiscJuggler software tool.

What is the difference between a disc image and a backup copy?

Disk image not only contains all the data stored on the cloned disc, but also information about the physical layout of the data bits on the disc. CDI store entire physical disc structure, including the Master Boot Record section.

Can I back up an optical disc to a CDI image?

CDI images can be generated for optical discs, such as CD and DVD, including multi-session RW variants.

What is DiscJuggler?

DiscJuggler is a now discontinued disc authoring tools. It was capable of creating images of virtually any type of optical disc. The tool was very popular among console gaming enthusiast as it was capable of copying Dreamcast (a gaming console from Sega) game discs.

Programs which support CDI file extension

The following listing features CDI-compatible programs. Files with CDI extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Programs that support CDI file

Updated: 04/12/2022

How to open file with CDI extension?

There can be multiple causes why you have problems with opening CDI files on given system. On the bright side, the most encountered issues pertaining to DiscJuggler Disc Image files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. We have prepared a listing of which will help you resolve your problems with CDI files.

Step 1. Get the DiscJuggler

Install software to open CDI file The main and most frequent cause precluding users form opening CDI files is that no program that can handle CDI files is installed on user’s system. The most obvious solution is to download and install DiscJuggler or one to the listed programs: IsoBuster, UltraISO, ImgBurn. The full list of programs grouped by operating systems can be found above. The safest method of downloading DiscJuggler installed is by going to developer’s website (Padus, Inc.) and downloading the software using provided links.

Step 2. Update DiscJuggler to the latest version

Update software that support file extension CDIYou still cannot access CDI files although DiscJuggler is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that DiscJuggler cannot handle files with CDI may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using DiscJuggler.

Step 3. Associate DiscJuggler Disc Image files with DiscJuggler

After installing DiscJuggler (the most recent version) make sure that it is set as the default application to open CDI files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with CDI file on Windows

Change the default application in Windows

  • Right-click the CDI file and choose Open with option
  • Select Choose another app → More apps
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the DiscJuggler installation folder. Confirm by checking Always use this app to open CDI files box and clicking OK button.
Associate software with CDI file on Mac

Change the default application in Mac OS

  • By clicking right mouse button on the selected CDI file open the file menu and choose Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • Finally, a This change will be applied to all files with CDI extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the CDI is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the CDI file in question. Problems with opening the file may arise due to various reasons.

Check CDI file for viruses
1. Check the CDI file for viruses or malware

If the CDI is indeed infected, it is possible that the malware is blocking it from opening. Scan the CDI file as well as your computer for malware or viruses. CDI file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with CDI extension is complete and error-free

If you obtained the problematic CDI file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with CDI extension was interrupted and the file data is defective. Download the file again from the same source.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the DiscJuggler Disc Image file.

4. Verify that your device fulfills the requirements to be able to open DiscJuggler

If the systems has insufficient resources to open CDI files, try closing all currently running applications and try again.

5. Verify that your operating system and drivers are up to date

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with DiscJuggler Disc Image file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle CDI files.

Conversion of a CDI file

File Conversions from CDI extension to a different format
File conversions from other format to CDI file
Do you want to help?

If you have additional information about the CDI file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on CDI file.

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