: If it’s not in the main folder, check the Private or Sent subfolders within the WhatsApp Video directory using a file explorer app .
Since this file is unique to a specific WhatsApp chat, you can only download it if you have access to that conversation.
: Internal Storage > Android > media > com.whatsapp > WhatsApp > Media > WhatsApp Video .
If you have already downloaded the video but cannot find it, you can locate it manually in your device's internal storage:
: Tap the video in your chat to play it. By default, it should automatically save to your phone's Gallery or Photos app under the WhatsApp Video folder.
: Open the video in the chat, tap the Share icon (a square with an upward arrow), and select Save Video to download it to your Camera Roll.
: Open the chat on WhatsApp Web, click on the video, and then click the Download icon (downward-pointing arrow) in the top-right corner. Locating the File on Your Device