(e.g., Is it security footage, a project file, or a corrupted file?)
A clip from a media project, training video, or specific video library. RCT-721.mp4
If the file is corrupted, tools like VLC's repair feature or specialized software can often fix corrupted MP4 headers [4]. Is it security footage
Based on my search results, there is no widely known or specific software feature, article, or technical document directly covering a file named "RCT-721.mp4". a project file