CALS File Type

- The quick facts

What are CALS files and how to open them

Are you having problems opening a CALS file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a CALS file?

A .CALS file is a CALS Raster Image file. This raster image file format was invented by Continuous Acquisition and Life-cycle Support, formerly known as Computer-aided Acquisition and Logistics Support (CALS), which is a part of the United States Department of Defense.

The format is quite old - it originated in the 1980s and is a black and white image format invented to standardize graphic interchange within the United States military and its contractors.

How to open CALS files

We have identified 1 CALS opener for Windows that is compatible with this specific type of CALS file.

Programs that open CALS Raster Image files

We have not yet verified any programs for Mac that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!
We have not yet verified any web services that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Last updated: December 22, 2021

Suggest another file format using extension CALS

While we know of one file format using the .CALS file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .CALS file.

Various apps that use files with this extension

These apps are known to open certain types of CALS files. Remember, different programs may use CALS files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Paint Shop ProPaint Shop ProUser submitted
Corel PaintShop ProCorel PaintShop ProUser submitted
MysticThumbsMysticThumbsUser submitted
WinCDEmuWinCDEmuUser submitted
XnViewXnViewUser submitted
CompuPic ProCompuPic ProUser submitted
Jasc Paint Shop ProJasc Paint Shop ProUser submitted
progeCAD ProfessionalprogeCAD ProfessionalUser submitted
3DBrowser3DBrowserUser submitted
3D Photo Browser3D Photo BrowserUser submitted
We have not verified any software that we know for certain will work with CALS-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with CALS-files. If you know one, please use the 'Suggest a program' link below and tell us about it!