: Since it is a .zip file, it is a compressed archive. It might contain the video file along with metadata, such as a log or thumbnail, or it could simply be a way to save space on a larger collection of clips.
: "05" likely refers to a specific clip number or a "piece" of a larger recording session. Rocket League 2022.09.30 - 01.23.59.05.DVR.zip
: Many recording programs split long sessions into smaller chunks (e.g., every 4GB or every 15 minutes) to prevent file corruption or stay within file system limits. This zip likely contains one such segment. : Since it is a
In the context of DVR and video files, "piece" usually refers to one of two things: such as a log or thumbnail