If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .avi

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .avi file?
  • Which program can create the .avi file?
  • Where can you find a description of the .avi format?
  • What can convert .avi files to a different format?
  • Which MIME-type is associated with the .avi extension?
Microsoft Video for Windows Movie .avi file icon

Microsoft Video for Windows Movie

The AVI file is a Microsoft Video for Windows Movie. The Microsoft AVI file format is a RIFF file specification used with applications that capture, edit, and play back audio-video sequences. In general, AVI files contain multiple streams of different types of data. Most AVI sequences use both audio and video streams. A simple variation for an AVI sequence uses video data and does not require an audio stream.
Category: Video files
Application: Windows Media Player
Program name: mplayer.exe
Mime-type: video/x-msvideo
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
.bnk RAD Game Tools Bink Video
.ivf Indeo Video File
.3gp 3GP Video File
.dvx DivX Video
.hdmov HD QuickTime Movie

Other types of files may also use the .avi file extension. If you have helpful information about .avi extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

.wvi Anritsu IQ Producer Waveform Data
.avj Avira AntiVirus Job Data
.afi AOMEI Backupper Backup Archive
.xvi XTherion Vector Image
.adi Microsoft Dynamics AX Application Developer Documentation Index
.ai Battlefield 2 AI Data

The .avi filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

abi (1), zvi (1), wvi (1), vai (1), avk (1), av (1), ai (1), afi (1), aci (1), xvi (1), vi (1), avl (1), avj (1), aiv (1), agi (1)

Can't open a .avi file?

If you want to open a .avi file on your computer, you just need to have the appropriate program installed. If the .avi association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.avi

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android