.cal

File Type 1 Generic IconCalendar File
File Format Standard (developed by Broderbund)
Usage Referenced by an application; not meant to be opened manually; may run a program or script when opened
Rank ★ ☆ ☆  Uncommon
Description

Calendar created by various Broderbund calendar design programs; contains dates and events, separated by months; may also include custom images for each month and user-defined formatting.

Open With
Windows

IconBroderbund The Print Shop

IconBroderbund PrintMaster

IconBroderbund Calendar Creator

macOS

IconBroderbund The Print Shop for Mac

IconBroderbund PrintMaster

Updated 2007
File Type 2 Generic IconCALS Raster Graphic
File Format Standard
Usage Open manually
Rank ★ ☆ ☆  Uncommon
Description

1-bit (black and white) raster image; can be uncompressed or compressed using CCITT group 4 compression; available in Type I and Type II versions, though Type I is more common.

CALS stands for "Continuous Acquisition and Life-cycle Support." The standard was developed by the U.S. Department of Defense as a means to electronically capture military documentation.

Open With
Windows

IconAdobe Photoshop

IconCorelDRAW

IconCorel PaintShop Pro

macOS

IconAdobe Photoshop

Updated 2007
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