: If you didn't intentionally download this file, or if it came from an untrusted site, avoid opening it. You can check suspicious files using tools like the NordVPN File Checker or VirusTotal . How to use it
While MP4 files are generally safe media containers, any file from the internet should be handled with caution: downloadfile.mp4 (1)
MP4 files explained: How to open and use - Adobe : If you didn't intentionally download this file,
: The suffix "(1)" confirms there is already a file named "downloadfile.mp4" in that directory. Safety and Security downloadfile.mp4 (1)