Can't open .ICO file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .ICO file.
.ICO file extension has been classified as System Files. The format of .ICO file is Binary
An ICO file is an image format used to store icons for Windows programs, files, and folders. It contains two bitmaps: 1) the AND bitmap - the image mask (which determines what part of the icon is transparent) and 2) the XOR bitmap - contains the icon which is mapped onto the image mask. ICO files can be modified to create custom icons.
ICO file open in File Viewer Plus 2
The "favicon.ico" file is used to store a small website logo that appears in the address bar of a Web browser. If a website has a favion.ico image, it will appear to the left of the Web address when any page of the website is loaded. The favicon.ico image file must be 16x16 pixels and stored in the root directory of the website in order for the Web browser to recognize it.
An ICO file is similar to a Windows cursor (.CUR) file, but has a different identification byte in the header.
Common ICO Filenames
favicon.ico - A 16x16 pixel .PNG file located in the root directory of a website and containing a small icon graphic to be displayed in the Web browser's address bar.