.CALS File Extension

Continuous Acquisition and Life-cycle Support Type 1 Raster File

The CALS file format is compatible with software on Mac OS and Windows platforms. CALS files belong to the Raster Image Files category. CorelDRAW supports CALS files, but 4 other tools can also handle...

General Information

Title CALS Raster File Extension
Extension .cals
Full Form Continuous Acquisition and Life-cycle Support Type 1 Raster File
File Type Image File
Developer U.S. Department of Defense
MIME Type image/x-cals

File Function

Primary Function Store raster images
Additional Functions Facilitate image exchange

File Characteristics

Quality High
Supports Layers No
Supports Transparency No
Editable Yes

Use Cases

Technical Illustration Yes
Document Imaging Yes
Engineering Drawings Yes

Security and Practices

Security Risks Minimal
Best Practices Regular updates, Trusted sources

Historical/Version Information

Initial Release 1980s
Latest Revision MIL-PRF-28002B (1998)

Associated Types

Similar Extensions .tiff, .pdf, .jpeg

Software Compatibility

Software Usage Policy OS Compatibility
AutoCAD Paid Windows, Mac
CorelDRAW Paid Windows, Mac
IrfanView Free Windows