There are 12 other file types using
the CAL file extension!

empty - Calendar data [common]

empty - CryENGINE character animation list file

empty - Cakewalk application language script file

empty - Creatacard calendar project file

empty - Daqarta extended audio data file

empty - HTML Calendar Maker Pro file

empty - HP PhotoSmart 850 digital camera firmware update file

empty - Radiance function file format

cal - Microsoft calendar file

empty - SuperCalc worksheet file

empty - SWAT auto-calibration file

empty - 3D Studio Max pose adjustment file

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CAL file - CALS Raster image

What is cal file? How to open cal files?

File type specification:

Bitmap image file type icon Bitmap image file type

cal file icon: cal filetype icon

The CALS Raster File Format is a bitmap format defined by the U.S. Department of Defense and intended for storing monochrome images.
There are two types of cal files:

  • Type 1: Stores a single image per file and data is always compressed using CCITT Group 4.
  • Type 2: Can store multiple images per file, the image data for each image can be subdivided into tiles, and each tile can be stored uncompressed, or compressed using CCITT Group 4.

MIME types:

The default software associated to cal file type:

XnView MP icon

Pierre-Emmanuel Gougelet logoXnView MP  Multiplatform software

Company or developer:
Pierre-Emmanuel Gougelet

A free (for non-commercial purposes) powerful cross-platform media browser, viewer and converter. Compatible with more than 500 formats and also supports export to 70 different file formats. It works on Windows, Linux and macOS (OS X).

Help how to open:

These images can for example be opened and viewed using XnView.

How to convert:

XnView is able to transform *.cal files to other file formats.

Find conversions from cal file:

cal to bmp

cal to gif

cal to pdf

cal to png

cal to tif

List of software applications associated to the .cal file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open cal file, edit cal file, convert cal file, view cal file, play cal file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is ableto perform the specified software action, such as opening, editing or converting cal files.

  • Open cal file
  • Edit cal file
  • View cal file
  • Convert cal file
  • Create cal file

Software that open cal file - CALS Raster image

Programs supporting the exension cal on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open cal file action.

Apple macOS / Mac OS X:

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CA3 file extension > Bitmap image file types

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