The primary "feature" of a name like S0086.mp4 is . The "S": Usually stands for "Stream" or "Sequence."
This feature prevents your device from overwriting old footage and makes it easy to chronologically sort your videos in a file explorer. 2. High-Efficiency Compression S0086 mp4
If you can tell me what device recorded this (e.g., a Garmin dashcam, a Samsung phone, a drone) or where you saw the name, I can give you a much more specific technical feature list for that exact model. Which device or app produced this file? The primary "feature" of a name like S0086
Once the device reaches a high number (like S9999 ), it typically starts over at S0001 , deleting the oldest files to make room for new ones. High-Efficiency Compression If you can tell me what
Because it is an file, the core feature is H.264 or H.265 (HEVC) Video Compression .