CUR File Documentation

Overview

Feature Value
Format Name Windows Cursor (CUR)
File Extension .cur
MIME Type image/x-win-bitmap
Developer Microsoft
Introduced 1987
Used For Static Cursor Images
Alpha Channel Yes (for Transparency)
Maximum Size Variable, commonly up to 48×48 or 64x64 pixels
Hotspot Specifies the precise screen location of the cursor's point of action
Color Depth Can support up to 32-bits per pixel
Animation No (static only; for animated cursors, .ANI format is used)
Compression Uncompressed
Header Size 6 bytes
Structure Consists of a header, a directory, and cursor image data
Compatibility Windows Operating Systems
Typical Usage User Interface Customization
Associated Programs Microsoft Windows, various icon and cursor editing software
Editable Yes, with compatible software
File Signature 00 00 02 00
Advantages Customizable, supports transparency, integrated into Windows OS
Disadvantages Limited to static images, maximum size limitations