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What are CALS files and how to open them

Are you having problems opening a CALS file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your CALS 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 one CALS opener that is compatible with this specific type of CALS file.

Programs that open CALS Raster Image files

Last updated: July 31, 2023

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.

Corel PaintShop ProCorel PaintShop ProUser submitted
MysticThumbsMysticThumbsUser submitted
WinCDEmuWinCDEmuUser submitted
XnViewXnViewUser submitted
CompuPic ProCompuPic ProUser submitted
progeCAD ProfessionalprogeCAD ProfessionalUser submitted
3DBrowser3DBrowserUser submitted
3D Photo Browser3D Photo BrowserUser submitted
My ViewPadMy ViewPadUser submitted
CompuPicCompuPicUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about CALS file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.