ICL File Extension

Windows Icon Library Format

File Type icl
Developer Microsoft
Popularity
4.7 (37 votes)
Application Axialis IconWorkshop
Category Graphics Files
Format Binary

What is a ICL file?

Files with the ICL extension are specifically tied to Windows Icon Library Format, a Graphics Files type, and there are 556 files in this category.

Microsoft, the developer of the Windows Icon Library Format (ICL), has released file format and 242 programs designed to handle them.

ICL files are supported by Windows, Mac OS and Linux. There are 8 programs available to open a ICL file, including popular tools like Axialis IconWorkshop, ArtIcons and BeCyIconGrabber.

File Signature

HEX code: 4D 5A. ASCII code: MZ.

Windows

Mac OS

XnView

Linux

XnView

How to open a ICL file?

If you are having trouble opening a ICL file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.

Axialis IconWorkshop, ArtIcons and BeCyIconGrabber stand out as the preferred programs to manage ICL files effectively. To get the latest version of Axialis IconWorkshop, open the Axialis website where a universal installer for all operating systems is available.

Once installed, Axialis IconWorkshop will be set as the default program, and ICL files will open automatically.

Set Axialis IconWorkshop as the default ICL application

Change the default app that opens a file on Mac

Right-click or use Control + Left-click on the desired ICL file to open a menu where you can choose from multiple actions;
Choose "Open in Application" and click "Other";
At the bottom of the window, find the "Enable" menu, where "Recommended Programs" is already selected by default;
Within this menu, select "All Programs" and then locate Axialis IconWorkshop. Check the box next to "Always open in app" to set it as the default program.

Set default programs for Windows

To get started, right-click your ICL file, then choose "Open With" and select "Choose Another Application" from the context menu;
From the options listed in the pop-up window, specifically choose Axialis IconWorkshop as the application to handle your ICL file;
Be sure to check the "Always use this app" checkbox and click "OK" to save your preference.

Convert files to and from ICL

If a ICL file is difficult to handle, you might try converting it to formats such as ICO, ICNS or similar, which may be easier to work with.

Be aware that converting a ICL file may reduce some features, but you can usually revert it to the original format.

Convert ICL to other file formats

Troubleshooting guide for ICL file complications

Certain problems with ICL files can be conveniently fixed with small software tweaks. Here are some helpful tips to address them.

How can I determine if my ICL file is damaged?

ICL graphics files that have become corrupted may display one or more of the following symptoms:

The file causes Axialis IconWorkshop or other software to hang or crash during various operations;
Error notifications appear during file manipulation;
The file encounters problems during the opening process or shows error indications;
An unexplained increase in the size of the ICL file;
The file exhibits poor performance during editing operations in Icon Catcher;

Why does Axialis IconWorkshop quit or crash unexpectedly?

Insufficient software updates are a likely cause of Axialis IconWorkshop crashes. Be sure to install the latest updates for Axialis products.

Restarting your computer is a crucial troubleshooting measure that can alleviate numerous common problems. Therefore, it is advisable to restart your computer before modifying any settings related to the software.

What methods can be used to repair a damaged ICL file?

Start a data recovery program and open the damaged ICL file. Then, choose the "Repair" option from the menu. Wait for the recovery process to finish as it will automatically restore the damaged graphics files.

How to edit a ICL file?

To make changes to ICL files, you need specialized software that allows both opening and editing the graphics files. Online ICL editors offer fewer capabilities than applications optimized for Windows Icon Library Format.

Best ICL editors 2026

Considering the mentioned criteria, we have compiled a list of ICL editors that may suit your needs.

ICL Editor Software	Developer	Platforms	Overall Rating
ArtIcons	Aha-Soft	Windows	4.9 out of 5 (40 reviews)
Icon Catcher	Helexis	Windows	4.9 out of 5 (43 reviews)
Axialis IconWorkshop	Axialis	Windows	4.5 out of 5 (35 reviews)

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