CMYK file format description

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

1 filename extension(s) found in our database.

.cmyk - Raw CMYK Bitmap

The CMYK graphic files are related to ImageMagick. The CMYK file is a Raw CMYK Bitmap. CMYK is a subtractive color spectrum, as cyan, magenta, and yellow pigments are used as filters.

Graphic files
- / -
Raw CMYK Bitmap related extensions:
ImageMagick Bayer RAW Image
ImageMagick Farbfeld Lossless Image
ImageMagick RAW Gray Samples Image
ImageMagick RAW Gray and Alpha Image
IPTC Photo Metadata
ImageMagick ISO/TR 11548-1 Braille Image

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

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

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

cmk, cmy

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

CardShop Plus Document
CorelDRAW Custom CMY Data

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 .cmyk file format, then write to us! >> CMYK file