The filename is a standard format used by WhatsApp to name video files saved to your device. It indicates the video was received or recorded on June 3, 2019 .
Long-press the video in your gallery and select the Share icon to send it via email, Drive, or another messaging app. VID-20190603-WA0039
This happens if the video was moved or deleted from your phone's storage. You may need to use a data recovery tool or check your cloud backups. The filename is a standard format used by