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.ANI File Extension

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File TypeWindows Animated Cursor

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Rare Uncommon Average Common Very Common
CategorySystem Files


This file is saved in a binary format, which requires a specific program to read its contents.


Cursor animation file used by the Windows operating system; contains image frames for the animation sequence as a collection of .ICO files; similar to a .CUR file, but contains multiple images used for animation.

More Information

ANI files are used to store default Windows animated cursors, such as the spinning hourglass. They can also be used for storing custom animated cursors. ANI files can be downloaded from third-party developers and are often included with custom desktop themes.

NOTE: On March 31, 2007, Microsoft issued a Security Advisory regarding a vulnerability in the way Windows handles animated cursor files. The issue affects Windows 2000 through Windows Vista. A Security Update is available on the "Microsoft Security Bulletin MS07-017" Web page.

Program(s) that open .ANI files
Microsoft Windows LogoWindows
Axialis CursorWorkshop
RealWorld Cursor Editor
G.D.G. AniTuner
Aha-Soft ArtCursors
ACD Systems ACDSee 18
Mac OS X LogoMac
Linux LogoLinux
Updated 8/10/2014