.ICO File Extension

Are you having difficulty opening a file that ends with .ICO? Such files can be executed only by certain programs. If you cannot open the .ICO file, it can be due to the following reasons: either you do not have an appropriate program to open it, or your file association is corrupted. For more information about this extension, please read the article below.

What is a .ICO file?

.ICO file belongs to the category of System Files used in operating systems such as Windows 11, 10, Windows 7, Windows 8 / 8.1, Windows Vista, Windows XP.

ico

Developer: N/A

File Type: Icon File

Category: System Files

Format: Binary

.ICO file is associated with Icon File developed by N/A, has a Binary Format and belongs to System Files category.

Files with .ICO file extension are image file types, that are used to represent a Windows application, file, or folder. The ICO files store images, that are different in size, color support, and resolution. There are a lot of websites and applications, that give the ability to create such files and convert other image formats into ICO file format.

Additional information

An ICO file has one or more small images of various sizes and color depths. Each image in an ICO file with less than 32 bits of color depth stores two bitmaps. They are the AND bitmap and the XOR bitmap. Images with 32 bits of color are 24-bit images with 8-bit channels for alpha compositing purposes.

Other file extensions

.sfc

Super Nintendo ROM

.ssp

Screensaver Producer Project File

.hyp

HYPER Compressed Archive

.ftl

FreeMarker Template File

.ggb

GeoGebra Document