CR2 file format description

Many people share .cr2 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cr2 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cr2 files.

3 filename extension(s) found in our database.

.cr2 - Canon Raw 2 Image

The CR2 graphic files are related to Microsoft RAW Image Thumbnailer and Viewer. The CR2 file is a Canon RAW 2 image data. A raw image file contains minimally processed data from the image sensor of a Canon digital camera.

Microsoft RAW Image Thumbnailer and Viewer
Graphic files
- / -
Canon Raw 2 Image related extensions:
JPEG XL Coded Image
Olympus RAW Image
Canon Raw 3 Image
Baselight Floating Point Image
JPEG 2000 Code Stream Image
ImageMagick Canvas Image

.cr2 - Poser Character

The CR2 data files are related to Poser. The CR2 file is a Poser Character. Poser is a 3D rendering and animation software program optimized for models that depict the human figure in three-dimensional form, mostly used to pose and animate the figures in a similar way as a mannequin.

Data files
- / -
Poser Character related extensions:
Poser Bump Maps Data
Poser Camera Data
Poser Compressed Camera Data
Poser Compressed Character
Poser Face Data
Poser Compressed Face Data

.cr1 - CRBasic Source

The CR1 development files are related to LoggerNet. The CR1 file is a CRBasic Source. CRBasic is a BASIC-like programming language used to create programs for the Campbell dataloggers.

Development files
- / -
cr2, cr3, cr4, cr5, cr6, cr7, cr8, cr9
CRBasic Source related extensions:
CRBasic Source

Naturally, other applications may also use the .cr2 file extension. Even harmful programs can create .cr2 files. Be especially cautious with .cr2 files coming from an unknown source!

Can't open a .cr2 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 .cr2 file extension is often given incorrectly!

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

c2, c2r, cd2, ce2, cf2, cr, cre, crq, crw, crz, ct2, dr2, rc2, sr2, xr2

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Aurora Data Resource Definition
Poser Compressed Character
Xrecode II Registration Data
Canon Raw Image
CHARTrunner Workspace
Common Loudspeaker Format Type 2 File

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

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

If you have useful information about the .cr2 file format, then write to us! >> CR2 file