0ha78h2aa6zl9xhrorfhs_source.mp4 Now

: The _source suffix usually indicates this is the raw, uncompressed file as it was first uploaded to the cloud.

: Since these strings are unique to individual user accounts, the video is likely a personal recording—perhaps a family moment, a vacation clip, or a saved mobile video. 0ha78h2aa6zl9xhrorfhs_source.mp4

: Look at the "Date Created" in your file explorer; this often matches the day the video was originally filmed. : The _source suffix usually indicates this is

This filename, , follows the naming convention of a temporary or source file generated by Google Photos or Google Takeout . a vacation clip