the file and selecting Properties (Windows) or Get Info (Mac) to see the file size, creation date, and origin.
: A suffix added by operating systems like Windows or macOS when you save a file into a folder that already contains a file named "1.mp4". 1_(2).mp4
If you'd like to identify a specific video you found, could you describe or what happens in the video ? the file and selecting Properties (Windows) or Get
: The standard file extension for digital video content. 1_(2).mp4
Opening it with a standard media player like or Windows Media Player .