If the file is only a few KB, it might not be a real video but a shortcut or a script. 4. Renaming and Organizing To make the file easier to find later: Right-click the file and select Rename .
Keep the .mp4 extension so your computer knows how to open it. VID-4667666765266(1).mp4
MP4 files can occasionally contain malicious code hidden in metadata. Use a tool like VirusTotal to upload and scan the file before opening it.
If the file won't play, use MediaInfo to see the technical data (metadata) which might tell you which app created it. 3. Safety and Security If the file is only a few KB,