71927-_1668309908.mp4 -

Look for the or "Encoder" tags. This will tell you if it was made by an iPhone, an Android, or a specific editing software.

The numbers 1668309908 translate to Sunday, November 13, 2022, at 3:25:08 AM (UTC) . This is the exact moment the file was created or saved to a server. 71927-_1668309908.mp4

Use VLC Media Player . It can play almost any MP4 regardless of how it was encoded. Look for the or "Encoder" tags

The file might be a "Mute MP4" (often used for GIFs) or uses an AC3 audio track. Try VLC. This is the exact moment the file was

This is usually a unique ID assigned by a database. It is very common for files saved via Telegram bots or Discord CDNs to use this format. 2. How to Open the File Safely