.CCI File Extension

Cerbios Compressed ISO

Developer Team Resurgent
3.5  |  14 Votes

What is a CCI file?

A CCI file is a disk image of a video game for the original Xbox console. It contains a copy of an original Xbox game, compressed to remove padding and other unnecessary data. Gamers create CCI files using Repackinator, an Xbox .ISO management tool.

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Team Resurgent developed Repackinator to allow Xbox gamers to manage Xbox game dumps saved as ISO disc images. As part of developing Repackinator, Team Resurgent (in partnership with Team Cerbios) created the CCI, or Cerbios Compressed ISO, format.

Gamers can use Repackinator to compress ISO copies of their games into CCI files. This reduces the files' size and allows gamers to store disc images more efficiently. CCI compression is based on LZ4 compression.

How to open a CCI file

You can open a CCI file with Team Resurgent Repackinator (multiplatform). Specifically, you can use Repackinator to convert your CCI files to the .iSO format.

You can also use CCI files with Xboxes that have the Cerbios custom BIOS installed.

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Programs that open CCI files

Citra Cartridge Image

Developer Citra Emulator Project
4.4  |  5 Votes

A CCI file may also be a game ROM used to play a Nintendo 3DS game in a 3DS emulator. It contains the game's executable file and may store other game data, such as the game's manual and updates. CCI files are similar to .3DS files in the Citra Cartridge Image (CCI) format. Gamers who want to play Nintendo 3DS games on their computer or mobile device can do so with Lime3DS, an emulator that replaced Citra.

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Game files packaged for Lime3DS are saved in many different formats, including the 3DS, .CXI, .CIA, and CCI formats. Like 3DS files, CCI files typically contain the entirety of a game cartridge's contents, "dumped" from the cartridge to a single file.

For this reason, each CCI file contains multiple CXI files, only one of which is actually necessary to launch a game. The others contain non-essential game data.

How to open a CCI file

You can open a CCI file with Lime3DS (multiplatform). To do so, select Add New Game Directory. Then navigate to and select the folder that contains your CCI file.

Programs that open CCI files


Compressed Champions' Interlace Bitmap

Developer N/A
3.0  |  2 Votes

A CCI file may also be a compressed bitmap image created by Champions' Interlace, a graphics program for Atari computers. It contains a 160 x 192 pixel image. CCI files are compressed .CIN (Champions' Interlace Bitmap) files.

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Screenshot of a .cci file in Piotr Fusik RECOIL
CCI file open in Piotr Fusik RECOIL

Bitmap images are digital graphics comprised of a matrix of dots known as pixels. Champions' Interlace allows users to create small bitmap images. The program can save these images as uncompressed CIN files or compressed CCI files.

How to open a CCI file

You can open a CCI file with Piotr Fusik RECOIL (multiplatform) or Tom's Editor (Web) to view the image it contains.

How to convert a CCI file

You can use RECOIL or Tom's Editor to convert CCI files to more common image formats. For example, Tom's Editor can convert CCI files to the following formats:

  • .BMP - Bitmap Image
  • .JPG - JPEG Image
  • .PNG - Portable Network Graphic
  • .GIF - Graphical Interchange Format
  • .DDS - DirectDraw Surface Image
  • .PCX - Paintbrush Bitmap Image
  • .TGA - Targa Graphic
  • .WEBP - WebP Image
  • .PSD - Photoshop Document
  • .SVG - Scalable Vector Graphic

Programs that open CCI files

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