Having problems opening a CAL file?

We have programs that can open or convert your CAL files.

Opening CAL files

Did your computer fail to open a CAL file? We explain what CAL files are and recommend software that we know can open or convert your CAL files.

What is a CAL file?

The .cal file extension is most commonly associated with scheduling and calendar applications. The CAL files contain the dates and events included in the calendar schedule and may also contain custom images for each calendar month.

The .cal file extension is also used for CALS Raster Group 1 image format files, CALS Raster Group 4 fax compressed bitmap files, CyberAudioLibrary link files, Daqarta extended audio data files and SuperCalc Worksheet files.

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

About File Extension CAL

File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.

If you have additional information about the CAL file format or software that uses files with the CAL suffix, please do get in touch - we would love hearing from you.