Details: File format summary

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Properties

Summary
Name	CALS Compressed Bitmap
Version
Other names
Identifiers	PUID: x-fmt/28
Family
Classification	Image (Raster)
Disclosure
Description	CAL is an image file format used by CALS. CAL files are compressed bitmap formatted files used for storing monochrome images. CAL files were developed in the 1980s to standardize graphics data interchange for electronic publishing for the federal government.
Orientation	Text
Byte order
Related file formats	None.
Technical Environment
Released
Supported until
Format Risk
Developed by	None.
Supported by	None.
Source	Digital Preservation Department / The National Archives
Source date	02 Aug 2005
Source description
Last updated	03 Aug 2015
Note