ICL File Extension

ICL file icon
Windows Icon Library Format
  • Developer
  • Category
  • Popularity
    4 (1 votes)

What is ICL file?

ICL filename suffix is mostly used for Windows Icon Library Format files. Microsoft defined the Windows Icon Library Format format standard. ICL file format is compatible with software that can be installed on Windows system platform. Files with ICL extension are categorized as System Files files. The System Files subset comprises 298 various file formats. Microsoft Windows supports ICL files and is the most frequently used program to handle such files, yet 5 other tools may also be used. On the official website of Microsoft Corporation developer not only will you find detailed information about theMicrosoft Windows software, but also about ICL and other supported file formats.

Programs which support ICL file extension

Programs that can handle ICL files are as follows. ICL files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support ICL file

How to open file with ICL extension?

There can be multiple causes why you have problems with opening ICL files on given system. What is important, all common issues related to files with ICL extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install Microsoft Windows

The most common reason for such problems is the lack of proper applications that supports ICL files installed on the system. This issue can be addressed by downloading and installing Microsoft Windows or different compatible program, such as IconUtils, IconWorkshop, ActivIcons. Above you will find a complete listing of programs that support ICL files, classified according to system platforms for which they are available. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Microsoft Windows website and download the installer.

Step 2. Update Microsoft Windows to the latest version

If the problems with opening ICL files still occur even after installing Microsoft Windows, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Microsoft Windows is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that Microsoft Windows cannot handle files with ICL may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Microsoft Windows.

Step 3. Assign Microsoft Windows to ICL files

If the issue has not been solved in the previous step, you should associate ICL files with latest version of Microsoft Windows you have installed on your device. The method is quite simple and varies little across operating systems.

The procedure to change the default program in Windows

  • Clicking the ICL with right mouse button will bring a menu from which you should select the Open with option
  • Click Choose another app and then select More apps option
  • Finally select Look for another app on this PC, point to the folder where Microsoft Windows is installed, check the Always use this app to open ICL files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

  • Right-click the ICL file and select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • A message window should appear informing that This change will be applied to all files with ICL extension. By clicking Continue you confirm your selection.

Step 4. Check the ICL for errors

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

1. Verify that the ICL in question is not infected with a computer virus

If the ICL is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the scanner detected that the ICL file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with ICL extension is complete and error-free

Did you receive the ICL file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with ICL extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

Sometimes in order to access files user need to have administrative privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Windows Icon Library Format file.

4. Make sure that the system has sufficient resources to run Microsoft Windows

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

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Windows Icon Library Format file. It is possible that one of the available system or driver updates may solve the problems with ICL files affecting older versions of given software.

Do you want to help?

If you have additional information about the ICL file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on ICL file.

Top File Extensions
Show more
File Extension of the day
dta icon


Data Format

Files with DTA extension are generic type of files used by many different applications for storing data. DTA file can contain various types of info...