If you are looking into this for a specific reason, such as a security audit or archival purposes, the next steps usually involve:
.mp4 (a standard digital multimedia container used for high compression and wide compatibility). Probable Characteristics VID-20220601-WA0146mp4
Using tools like ExifTool to see if any hidden technical details (encoder versions, file size) remain. If you are looking into this for a
0146 (a unique identifier assigned by the app for that specific day). VID-20220601-WA0146mp4