Windows Animated Cursor

Windows Animated Cursor Format (ANI) is an animated image format, mostly used for cursors (mouse pointer graphics) on Microsoft Windows.

Format
ANI files use the RIFF container format. Individual frames can be encoded in ICO format, CUR format, or a "raw pixel data" format that does not seem to be fully documented.

Identification
Files begin with.

Software

 * XnView
 * Inkscape
 * IrfanView
 * IrfanView

Sample files

 * http://cd.textfiles.com/desktopworks/CURSORS/
 * http://www.anicursor.com/diercur.html
 * http://www.angelfire.com/my/plinth/cursors.html
 * https://telparia.com/fileFormatSamples/image/ani/

Links

 * GFF Format Summary: Microsoft RIFF (from archive.org)
 * Wikipedia article