If you "starred" the video in the chat, find it in WhatsApp settings under Starred Messages .
Go to Settings > Storage and Data > Manage Storage to see a list of large files and delete duplicates easily. Download File WhatsApp Video 2023-01-20 at 12.3...
Disable "Media auto-download" in settings to choose exactly which videos save to your phone gallery. If you "starred" the video in the chat,
On Android, look in Internal Storage > Android > media > com.whatsapp > WhatsApp > Media > WhatsApp Video . Download File WhatsApp Video 2023-01-20 at 12.3...