CALS File Extension

What is CALS file?

CALS is a file extension commonly associated with CALS Raster Graphic Format files. CALS file format is compatible with software that can be installed on Mac OS, Windows system platform. CALS file format, along with 522 other file formats, belongs to the Raster Image Files category. CorelDRAW supports CALS files and is the most frequently used program to handle such files, yet 4 other tools may also be used. CorelDRAW software was developed by Corel Corporation, and on its official website you may find more information about CALS files or the CorelDRAW software program.

Programs which support CALS file extension

The list that follows enumerates programs compatible with CALS files, divided into 2 categories based on operating system on which they are available. CALS files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with CALS extension?

There can be multiple causes why you have problems with opening CALS files on given system. On the bright side, the most encountered issues pertaining to CALS Raster Graphic Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. We have prepared a listing of which will help you resolve your problems with CALS files.

Step 1. Install CorelDRAW software

Problems with opening and working with CALS files are most probably having to do with no proper software compatible with CALS files being present on your machine. This one is an easy one. Select CorelDRAW or one of the recommended programs (for example, PaintShop Pro, Canvas, XnView) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit CorelDRAW website and download the installer.

Step 2. Verify the you have the latest version of CorelDRAW

If you already have CorelDRAW installed on your systems and CALS files are still not opened properly, check if you have the latest version of the software. Software developers may implement support for more modern file formats in updated versions of their products. If you have an older version of CorelDRAW installed, it may not support CALS format. The latest version of CorelDRAW should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open CALS files to CorelDRAW

After installing CorelDRAW (the most recent version) make sure that it is set as the default application to open CALS files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

The procedure to change the default program in Windows

• Right-click the CALS file and choose Open with option
• Select Choose another app → More apps
• Finally select Look for another app on this PC, point to the folder where CorelDRAW is installed, check the Always use this app to open CALS files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

• By clicking right mouse button on the selected CALS file open the file menu and choose Information
• Find the Open with option – click the title if its hidden
• Select CorelDRAW and click Change for all...
• If you followed the previous steps a message should appear: This change will be applied to all files with CALS extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the CALS is not faulty

Should the problem still occur after following steps 1-3, check if the CALS file is valid. Problems with opening the file may arise due to various reasons.

1. The CALS may be infected with malware – make sure to scan it with an antivirus tool.

If the CALS is indeed infected, it is possible that the malware is blocking it from opening. Scan the CALS file as well as your computer for malware or viruses. CALS file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

If the CALS file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with CALS extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the CALS Raster Graphic Format file.

4. Verify that your device fulfills the requirements to be able to open CorelDRAW

If the system is under havy load, it may not be able to handle the program that you use to open files with CALS extension. In this case close the other applications.

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with CALS Raster Graphic Format files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle CALS files.

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