Km_20220630_720pmp4 -

: Likely an abbreviation for the source application (e.g., KineMaster ) or a specific device ID.

: The file extension. MP4 is a widely used multimedia container format compatible with almost all modern media players. How to Use This File km_20220630_720pmp4

: You can open this file using standard players like Windows Media Player or VLC Media Player . : Likely an abbreviation for the source application (e

Based on the structure of the string, appears to be a standard naming convention for a video file created or exported on June 30, 2022. How to Use This File : You can

: A timestamp in YYYYMMDD format, indicating the file was created or saved on June 30, 2022 .

: Specifies the video resolution (High Definition at 1280x720 pixels).

: If the default name is unhelpful, you can rename the file on your device to something more descriptive while keeping the .mp4 extension intact. Split file naming convention - GoPro Support