.CAL File Extension

File Type:
CALS Raster Graphic

Having trouble opening .cal extension? Don't panic! This page explains what cal files are as well as suggests programs you may use to open cal files. You can download these programs through this page.

What is a CAL file?

Cal file extension has CALS Raster Graphic file type, which is associated with the "raster image files" category.

A black and white raster image in the CALS Raster file format, which is the standard format for interchanging graphics information. Was originally developed by U.S. DoD (Department of Defense) to electronically capture military documents.

To learn how you can open the given file, read the information below.

cal file icon
File Type:
CALS Raster Graphic
Raster Image Files

How to open CAL file?

Double click the cal file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .cal extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the cal extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the cal file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open CAL files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the cal file as well. Download Universal File Viewer for your OS.

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