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ICO

ico icon

Icon image

File type: Bitmap image file, Graphics file

Files with ico extension can be typically found as icons, most notably program icons for Windows executables. A single .ico file contains one or more icons in different pixel sizes.

What is ico file?

File type category:
Bitmap image file
Graphics file

Date updated: June 23, 2025

File extension ico is used for an icon graphic file format that contains icons at various sizes (16x16, 32x32, 64x64, 128x128, 512x512 pixels etc.) and various numbers of colors (16 colors, 32, 64, 128, 256, 16-bit etc.).

ICO file format is frequently used to change icons for files, folders or programs interface icons of graphical user interface (GUI) of modern operating systems.

MIME types:
image/x-icon

How to open ico file?

Pretty much any graphics editor nowadays can be used to open or edit various icon formats, including .ico.

How to convert ico file?

Use any icon graphic editor software to export *.ico files to another graphic file format

Suggested software to open ico file:

Associated software actions with the ico file

Software apps that import ico files:

Software apps that export ico files:

Microsoft Windows

Multiplatform

Software apps that extract ico files:

Articles about ico files

December 20, 2012

How to extract icons

Computer icons are popular way how to distinguish programs from each other with a nice small pictogr...

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April 15, 2011

Change default file extension icon in Windows 7

This guide describe how to change the default file type icon in Windows 7 using Windows registry uti...

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Convert .ico files

Convert to .ico from other formats

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