Opening ICM Files

The ICM file type is primarily associated with Windows.

ICM	File extension: ICM
	File type:	image color matching profile file

What is an ICM file?

ICM files mostly belong to Windows by Microsoft. ICM stands for image color matching profile. The file format stores a color profile that defines how a device reproduces color. These color profiles are also called ICC profiles and have been created by the International Color Consortium, which is an organization that set standards for color management. These profiles ensure that the appearance of color is consistent across different devices, printed documents, and software. ICC profiles are applicable to both input devices - such as scanners and digital cameras - and output devices - such as printers and monitors. They are also used by image editing and graphics software like Adobe Photoshop, CorelDRAW, and Affinity Designer. The ICM file stores color settings for an ICC profile in a binary format. ICM is the extension often used by Windows, but there are other file extensions used for ICC profiles besides it. These include PF and ICC. Color profiles in Windows XP and later versions are located in the directory \Windows\System32\Spool\Drivers\Color\. In older versions of Windows, color profiles are located in \Windows\System\Color\. The current display color profile for a Windows computer can be viewed in Color Management settings.

How to open ICM files

You need a suitable software like Windows from Microsoft to open an ICM file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ICM file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ICM file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ICM Text Viewer

Choose your .icm file to analyze

or drag and drop it here

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ICM file format details:

Each file has a definite file format, that is, how the stored data is arranged in the file. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So a detailed analysis of a file is vital in order to determine the format and the associated program. Our examination of the ICM files comes to the following conclusion:

You will often come across the ICM file type. This mainly uses a special format. But the following two file formats are common:

• 90% of all ICM files do not have a standard signature. These are binary files, so they do not contain words or text. ICM files are between 2 KB and 770 KB in size. The file type is very old but is also used today. Several words can almost always be found in the files, e.g. mntrRGB XYZ, acspMSFT, cprt, bkpt, desc, wtpt, rTRC, dmnd and rXYZ. A usual file name is rtings-icc-profile.icm. These files are attributed to profile, rtings, srgb, xyzlut, color, space, user and profil.
• 2% of all ICM files internally utilize the plist file format. A property list file is a structured text file that contains user's settings or macOS apps configuration. These files are not plain text files, so they also contain binary data. The file size is in the range of 360 bytes to 1 KB. The keywords NSKeyedArchiver, Troot, X$versionY$archiverT$topX$objects, bplist00, null and class are typical for these files. identity.bak.icm is a typical file name. These files can be linked to icmpersistentstore.

All the rest of the ICM files (8%) have different formats. The category is asus, techless, calibrated, dell, paper or benq. If you want to find out which format your ICM file belongs to, just click on the button "Choose your .icm file to analyze".