If you are trying to create an AR experience with this file, tools like Adobe Express can help ensure the MP4 is optimized for web-based AR triggers.

If it is a standard MP4, it should open in VLC, Windows Media Player, or QuickTime.

The "AR" prefix often refers to Advanced Recording Format (.arf) used by Cisco Webex. Since yours is an MP4 , it has likely already been converted from its original meeting format to be playable on standard devices.

Must use even numbers for width and height (e.g., 1280x720). Constraints: High Profile, not exceeding Level 5.2.

If this is an asset intended for use in an Augmented Reality environment, it typically follows these strict requirements to ensure smooth playback: H.264 video with LC-AAC audio.

In AR development (using platforms like Kivicube or AR Code ), MP4 files are used as "AR Videos" that overlay digital content onto the real world. The "00103b" would be a specific version or asset ID in a developer's library.