Keep cartoons, documentaries or 4K copies in their own folder, files and all.
In Broadcast: the film’s page, More, Manage files.
In Classic or Neu: the film’s page, Manage.
Type its name and pick it from your library.
You type a name and pick it from the list.
This is for a film you already have. Press Back and pick another.
Its page.
Pick the new folder. Usherr then asks: move the files there too, or leave them where they are. The window says from where to where, how much, and whether it’s instant (same drive) or a copy (another drive, each file checked first).
Keep it in appears once your library has more than one folder: add one under Server, Libraries, Folders (Settings, Library, Folders in Classic or Neu), in More folders for other titles.
A move never overwrites anything, and undoes itself if something goes wrong. Activity says when it’s done.