CAL file: How can I open a .CAL file?
The table below provides useful information about the .cal file extension. It answers questions such as:
- What is the .cal file?
- What program do I need to open a .cal file?
- How can the .cal file be opened, edited or printed?
- How can I convert .cal files to another format?
We hope you find this page helpful and a valuable resource.
✅ CALS Compressed Bitmap

The CAL file is a CALS Compressed Bitmap. The CALS bitmap format was developed in the mid-1980s to standardize on graphics data interchange for electronic publishing for the federal government.
✅ Broderbund PrintMaster Calendar

The CAL file is a Broderbund PrintMaster Calendar document. PrintMaster is a software for making card, posters, banners, etc.
✅ Radiance Function File

The CAL file is a Radiance Function File. Radiance is a suite of tools for performing lighting simulation originally written by Greg Ward. It includes a renderer as well as many other tools for measuring the simulated light levels. It uses ray tracing to perform all lighting calculations, accelerated by the use of an octree data structure.
✅ Lego Mindstorms NXT Sensor Calibration Data

The CAL file is a Lego Mindstorms NXT Sensor Calibration Data. LEGO Mindstorms NXT is a programmable robotics kit released by LEGO. NXT-G is a graphical programming environment that comes bundled with the NXT.
✅ Keysight PLTS Calibration Data

The CAL file is a Keysight PLTS Calibration Data. Keysight Physical Layer Test System (PLTS) software is a powerful signal integrity tool for high-speed digital designers.
✅ HTML Calendar Maker Pro Calendar Data

The CAL file is an HTML Calendar Maker Pro Calendar Data. HTML Calendar Maker Pro is a program for Microsoft Windows that creates monthly web page calendars.
✅ SWAT Auto-calibration Data

The CAL file is a SWAT Auto-calibration Data. SWAT (Soil Water Assessment Tool) is an hydrology model with the following components: Weather, surface runoff, return flow, percolation, evapotranspiration, transmission losses, pond and reservoir storage, crop growth and irrigation, groundwater flow, reach routing, nutrient and pesticide loading, water transfer.
✅ Creatacard Calendar Project

The CAL file is a Creatacard Calendar Project. American Greetings Creatacard is a simple digital card creator software for Microsoft Windows.
✅ SuperCalc WorkSheet

The CAL file is a SuperCalc WorkSheet. SuperCalc was a spreadsheet application published by Sorcim in 1980.
✅ Cakewalk Application Language Script

The CAL file is a Cakewalk Application Language Script. Cakewalk Application Language (CAL) is an event-processing language that you use to extend Cakewalk with custom editing commands.
✅ Autodesk 3D Studio Max Pose Adjustment Data

The CAL file is an Autodesk 3D Studio Max Pose Adjustment Data. 3D Studio is a 3D graphics modeling and rendering program.
✅ CryENGINE Character Animation List Data

The CAL file is a CryENGINE Character Animation List Data. CryENGINE is a game engine developed by Crytek.
✅ HP PhotoSmart 850 Camera Firmware

The FWI file is a HP PhotoSmart 850 Camera Firmware. The HP PhotoSmart 850 is a psuedo-SLR type digital camera.
⚠ Be careful with .cal files.
It's important to know that the .cal file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .cal files. Be cautious when dealing with .cal files from unknown sources.
🔄 .cal converters
The following softwares are capable of converting .cal files to other formats:
For example, using the softwares above, a .cal file can be converted into one of the following formats:
🚫 The .cal file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .cal file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Select an app to open this .cal file
It means that the operating system does not have a default app associated with the .cal file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .cal file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .cal file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .cal file extension, write to us.