Use a tool like Windows Defender or Malwarebytes to ensure the file does not contain hidden malware.
Look at your browser history or "Downloads" folder to see which website or app the file came from. 122 (1).mp4
Right-click the file (on Windows) or select "Get Info" (on Mac) to see the date it was created or the "Source" URL if available. 2. Common Scenarios for Generic Filenames Use a tool like Windows Defender or Malwarebytes
To provide a more specific guide, could you share or what the video is about ? (e.g., Is it a game tutorial, a lecture, or a DIY project?) Is it a game tutorial
Messaging apps often rename files during the saving process.