: Receiving a video via WhatsApp or Telegram can sometimes result in "duplicate" extensions if the file is saved or forwarded multiple times. How to Safely Handle It
: You can usually rename the file to simply end in .mp4 without affecting its ability to play. 195739_720p.mp4.mp4
: This numerical ID is common for content hosted on stock media sites. For example, Pexels and Pixabay use six-digit IDs to categorize their assets. : Receiving a video via WhatsApp or Telegram