Here is a detailed breakdown of what this file is and how to handle it: 1. Understanding the File Name
The number 1615646442863 is a Unix timestamp in milliseconds. It represents March 13, 2021, at 14:40:42 UTC [1].
Rename the file from _VID-1615646442863blbon1mp4 to _VID-1615646442863blbon1.mp4 . _VID-1615646442863blbon1mp4
The .mp4 extension is missing the dot ( . ) before it. This can prevent it from opening automatically. 2. How to Open the File
Files with this format ( VID- followed by numbers) are very common in the WhatsApp/Media/WhatsApp Video/ folder. They are named this way to ensure uniqueness [2]. Here is a detailed breakdown of what this
If renaming it does not work, the file might be corrupted or only partially downloaded.
Once renamed, it should open in any standard media player (VLC, QuickTime, Google Photos). 3. What to Do If It Won't Open This can prevent it from opening automatically
If this file is in a cloud storage folder (like Google Drive or OneDrive), it likely represents a memory from 2021 that was backed up from a mobile device [2]. It is safe to move, rename, or delete, depending on whether you want to keep the media.
