The (1) at the end signifies that this is a duplicate or a second copy of a file already present in that folder. 2. How to Open the File

Files with names starting with "VID-" followed by a long string of numbers are typically generated by:

Change it to something descriptive (e.g., Family_Vacation_2024.mp4 ).

If you are having trouble playing the video, you can use these universal tools:

However, if you have received this file and need help managing it, 1. Identifying the Source

Known for its ability to play almost any codec, you can download it from the official VideoLAN site .

Knowing the context (e.g., a specific social media trend or a recovered file) will help me give you more specific details. MP4 files explained: How to open and use - Adobe

Keep the .mp4 extension so your computer knows how to open it.