CJK file format description

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

1 filename extension(s) found in our database.

.cjk - Latex CJK Package Data

The CJK data files are related to CJK. The CJK file is a Latex CJK Package Data. CJK (China Japan Korea to Latin Converter) is a macro package for LaTeX, providing simultaneous support for various Asian scripts in many encodings.

Data files
- / -
Latex CJK Package Data related extensions:
BAMZOOKi Zook Data
Microsoft Outlook Express v4 Mailbox
DNASTAR Lasergene Protein Data
E-Sword Bible Module
Ae Timer Alarm Data
Ultra Librarian PCB Library

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

Can't open a .cjk 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 .cjk file extension is often given incorrectly!

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

chk, cik, cjl, ck, cmk, cnk, jck, jk

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Pool of Radiance Game Data
DigitalHIWAY Concatenated JPEG Library
CardShop Plus Document
TomTom Navigator Voices Archive
SSConvert Video Subtitle Data
3D Movie Maker Interface Data

Operating systems

DataTypes.net 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

If you find the information on this page useful, please feel free to link to this page.


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

DataTypes.net >> CJK file