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

Справочник по файлу AVI RIFF - Win32 apps - Microsoft Learn

: These files are often larger than newer formats like MP4 because they use less compression.

: This appears to be a unique identifier or an encoded string, often seen in automatically generated filenames from specific software, cameras, or digital archives. About the AVI Format

: This is a common multimedia container format developed by Microsoft . It is used to store both audio and video data for synchronous playback.

: If you have trouble playing this specific file, you can use online tools like Zamzar or Clideo to convert it to a more modern format like MP4.

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.