It sounds like you’re referring to a specific folder or filename — possibly fgoptionalunusedvideosbin — which isn’t a standard Windows or common software term. That naming pattern looks like something from a game’s asset folder, a modding tool, or leftover development content (e.g., “optional unused videos” in a binary directory).
A cache or staging folder where deprecated, legacy, or A/B-tested video files are stored before permanent deletion or re-encoding. fgoptionalunusedvideosbin
: Even if the video is "unused" by the player, a single line of code might still check for the presence of the file. If it’s missing, the application may crash on startup. Analogous Comparison It sounds like you’re referring to a specific