CDI file format description

Many people share .cdi files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cdi file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cdi files.

3 filename extension(s) found in our database.

.cdi - DiscJuggler CD Image

The CDI disk image files are related to DiscJuggler. The CDI file is a DiscJuggler CD Image. DiscJuggler is a CD/DVD copy tool. The DiscJuggler seems to be no longer supported.

Disk Image files
- / -
DiscJuggler CD Image related extensions:
DiscJuggler CD-Rom Data

.cdi - Gear CD-ROM CD-i Image

The CDI disk image files are related to Gear. The CDI file is a Gear CD-ROM CD-i Image. GEAR is a CD/DVD recording and pre-mastering software package.

Disk Image files
- / -
Gear CD-ROM CD-i Image related extensions:
Gear DVD Video Image
GEAR License Request File
Gear CD-ROM Mode 1 Image
Gear CD-ROM Project
Gear CD-ROM XA Image

.cdi - INTEX DealMaker Output

The CDI data files are related to INTEX DealMaker. The CDI file is an INTEX DealMaker Output. INTEX DealMaker is an investment deal structuring application for Microsoft Windows.

INTEX DealMaker
Data files
- / -
INTEX DealMaker Output related extensions:
Celestia CEL Script
Geology Multi-File Data
Analyte Interval Data File Format Data
PreForm Job Data
EVS Ground Water Time Data
Pocket Diary Text Data

Naturally, other applications may also use the .cdi file extension. Even harmful programs can create .cdi files. Be especially cautious with .cdi files coming from an unknown source!

Can't open a .cdi file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .cdi file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cci, cd, cdj, cdk, cdl, cdo, cdu, cei, cfi, ci, cid, cri, csi, cvi, cxi

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

VirtualBox Virtual Disk Image
ContentServ CS EMMS Include
Seadragon Index Data
MAP IEC Document
CADKEY Document
Champions Interlace Compressed Image

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you have useful information about the .cdi file format, then write to us! >> CDI file