Video0mp4 — 2021-10-13_18-49-49

: Right-click the file and select Properties (Windows) or Get Info (Mac) to see the exact creation date and device source.

: When exporting media from mobile devices to a PC, the original metadata is often converted into this filename format. 2021-10-13_18-49-49 video0mp4

: Recordings from platforms like Zoom or Microsoft Teams (if manually renamed or processed by a local downloader) frequently include the meeting's date and start time. How to Review the Content : Right-click the file and select Properties (Windows)

: Tools like OBS Studio or native Windows/Mac recorders often default to timestamped filenames to prevent overwriting previous captures. 2021-10-13_18-49-49 video0mp4

: Many CCTV and dash camera systems use this exact "Year-Month-Day_Time" format to organize footage.