AVI (Audio Video Interleave(d)) is a video container format developed by Microsoft.

AVI means that audio and video data are stored interleaved.

An AVI file consists of a RIFF file (Resource Interchange File Format) with an AVI list containing additional lists (with headers and data).

More detailed information on the perks and drawbacks of the AVI format can be found in the Wikipedia article.


- The AVI format is supported by most multimedia software and DVD players. Also many of the usual digital cameras generate files in this format.

- Since the AVI format has been used since its development in 1992, it is also suitable for playback on older operating systems.

- low error susceptibility


- there is no standardized way to save the aspect ratio.

- there is no standardized way to save the field order. Editing programs cannot automatically select the correct one

- not suitable for video or audio formats that work at variable frame rates

- not suitable for compression algorithms that utilize the currently displayed frame

- bad support for subtitles

- bad support for menus

- no uniform way of specifying time codes

- In addition, there is a relatively high memory requirement and a lack of streaming capability.

Please note that the file extension.avi gives no indication which codec was used for compression.