: If your default app won't open it, try VLC Media Player , which supports almost all MP4 formats and codecs.
: These files are typically found in your phone's storage under WhatsApp > Media > WhatsApp Video .
: If the file was interrupted during download or transfer, it may be corrupted. You can try redownloading it from the original WhatsApp chat.
: MP4 is a versatile format that stores video, audio, and even subtitles.
The identifier follows the standard naming convention for video files saved from WhatsApp . This specific filename indicates the video was originally saved to a device on June 6, 2021 (20210606) and was the 61st WhatsApp-related video handled by that device that day (WA0061).