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.avi
Not to be confused with .AVI
MIME type: video/vnd.avi video/avi video/msvideo video/x-msvideo
Is binary? Yes
Is encrypted? Yes
Can execute dangerous code? Unknown
Related extensions: .AVI .wmv .WMV .mkv .MKV
Internet Media types: None
Uniform Type Identifier (UTI) public.avi
Type code Vfw
Magic number Unknown
The capital doesn't differentiate the 2 files by much. They both still function the same.
An .avi file is an Audio Video Interleave file (also Audio Video Interleaved and known by its initials and filename extension AVI, usually pronounced /ˌeɪ.viːˈaɪ/) it is a proprietary multimedia container format and Windows standard introduced by Microsoft in November 1992 as part of its Video for Windows software. AVI files can contain both audio and video data in a file container that allows synchronous audio-with-video playback. Like the DVD video format, AVI files support multiple streaming audio and video, although these features are seldom used.
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Any modern (Windows 3.1 and up, Windows 9x, Windows NT, Linux, GNU/Linux, Classic MacOS, MacOS, MacOS X, OS X, iOS, Android, OS/2, ChromiumOS, ChromeOS, Solaris, FreeBSL, NetBSD, OpenBSD, DragonflyBSD, etc.)
Opens with:
VLC Media Player (all operating systems) (free & Libre) (open source)
Windows Media Player (Windows NT) (proprietary) (comes with Windows)
CyberLink media suite (Windows) (proprietary) (purchase and subscription required)
QuickTime Player (Windows NT, Mac OS X, MacOS 11, MacOS 12) (proprietary) (free)
Other? Unknown
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Definition 1: Audio Video Interleave video file
An .avi file is an Audio Video Interleave file (also Audio Video Interleaved and known by its initials and filename extension AVI, usually pronounced /ˌeɪ.viːˈaɪ/) it is a proprietary multimedia container format and Windows standard introduced by Microsoft in November 1992 as part of its Video for Windows software. AVI files can contain both audio and video data in a file container that allows synchronous audio-with-video playback. Like the DVD video format, AVI files support multiple streaming audio and video, although these features are seldom used. .
The avi file format is capable of storing two-dimensional digital images both monochrome and color, in various color depths, and optionally with data compression, alpha channels, and color profiles. The Windows Metafile (WMF) specification covers the avi file format.
Definition 2: Pseudo-extension (null)
A pseudo-extension is a file format that is applied to a file, despite not having a purpose, other than to change the file name (such as Mov.avi) however this file extension is rarely used as a pseudo-extension
Alternatives
None
No other definitions
Limitations and problems
Unknown
History
No history to show. Maintainers of this project should add a history of the format here.
Version history
There are only ? versions of the avi Boundary Scan Description Language file.
The following table needs to be reformatted.
Usage
avi files are used as video files, although less common than formats like MP4 and WebM
No other definitions
Shebang? Unknown
Encoding: Unknown
File icon
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GNOME 1: 
GNOME 2: 
GNOME 3: 
GNOME 40: 
GNOME 41: 
KDE 1: 
KDE 2: 
KDE 3: 
KDE 4: 
KDE 5: 
XFCE: 
LXQT: 
CINNAMON: 
Common Desktop Environment (CDE): 
MacOS (Classic): 
MacOS (Mac OS X): 
MacOS (OS X): 
MacOS (MacOS 10.10-10.12): 
MacOS (Modern, pre-MacOS11): 
MacOS (Modern, MacOS11): 
WinRAR: 
Android: 
iOS: 
Windows (DOS): 
Windows (9x): 
Windows (NT): 
Solaris: 