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Video · .avi

What Is an AVI File?

A .avi file is an older Windows video format.

Extension
.avi
Full name
Audio Video Interleave
Type
Video
MIME type
video/x-msvideo
Developed by
Microsoft (1992)

About AVI Files

AVI is one of the oldest video formats still around. It was the standard on Windows in the 1990s and 2000s and was widely used for DivX and Xvid movies. AVI can hold many different codecs, which means a file may need a specific codec installed to play. It lacks modern features such as good subtitle and streaming support, so MP4 and MKV have replaced it. VLC plays almost every AVI.

How to Open an AVI File

Windows
Play it in Media Player or VLC.
Mac
Use VLC or IINA; QuickTime doesn't play most AVI files.
iPhone & Android
Use VLC for Mobile.

AVI File Questions

Why won't my AVI file play?

It uses a codec your player doesn't have, often an old DivX or Xvid variant. VLC includes nearly all codecs.

Should I convert AVI to MP4?

Yes, if you want to play it on phones, TVs or websites. HandBrake converts it for free.

See all file formats