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Properties

Summary
Name	Microsoft Animated Cursor Format
Version
Other names
Identifiers	PUID: fmt/386
Family
Classification	Image (Raster)
Disclosure
Description	Animated Cursor Format (ANI), also known as Windows NT Animated Cursor, is a chunk-based bitmap format developed by Microsoft, based on the generic Resource Interchange File Format (RIFF) specification developed by Microsoft and IBM. Structurally, an ANI file is composed of a number of chunks, each comprising a four character code chunk identifier, the chunk size, and the chunk data. It comprises a RIFF header with an ANI data type identifier, followed by a series of chunks which contain two or more bitmaps stored in an ANI file. Each bitmap is typically either a Windows cursor or icon data, but may also be raw, uncompressed bitmaps. Additional information stored in the ANI file controls the rate and the sequence in which each frame is displayed. Furthe information regarding this and other RIFF formats can be found at http://oreilly.com/www/centers/gff/formats/micriff/
Orientation	Text
Byte order
Related file formats	Has priority over Resource Interchange File Format (RIFF)
Technical Environment
Released
Supported until
Format Risk
Developed by	None.
Supported by	None.
Source	Digital Preservation Department / The National Archives
Source date	23 Nov 2011
Source description	08/2023 (v.113) - Added priority over fmt/1886 (Resource Interchange Format (RIFF)). Submitted by New York Public Libraries and Preservica.
Last updated	14 Aug 2023
Note