: AVI files can be opened with most standard players, including the Windows Media Player or the VLC Media Player.

If you are trying to interact with a file by this name, here is what you should know about the AVI format :

Could you provide on where you encountered this name or what you are trying to do with it? This would help in giving you more specific information.

Справочник по файлу AVI RIFF - Win32 apps - Microsoft Learn

: This typically suggests a serial number or a specific frame/identifier within a database or folder structure.