If you have found this file on your device and wish to interact with it: What is MP4? | MPEG-4 vs. MP4 - Cloudflare

: Files with this specific naming structure ( number_number.mp4 ) are almost exclusively found in Telegram's local storage folders (e.g., Telegram/Telegram Video ) after a user views or downloads a video in the app.

: MP4 files use efficient compression, allowing for high-quality video in relatively small file sizes, making them ideal for mobile sharing. How to View or Manage the File

: MP4 (MPEG-4 Part 14) , a highly versatile digital container that stores video, audio, and subtitles.