Files that contain the .cur file extension are cursor image files. These files are used to store the default cursor graphics and the custom cursor graphics for the Windows operating system, such as the Windows mouse pointer.
When a user installs a custom desktop theme onto his or her computer, a corresponding CUR file is usually included in the installation pack so that the Windows cursor will match the custom desktop theme. For example, if a user were to download a horse-based custom desktop theme, the CUR file may contain the cursor image of a horse or a horseshoe to match the theme download.
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