The term folder can refer to several different things:File folder, a kind of folder that holds loose papers. Often holepunched so papers can be strung together with treasury tagsIn computing, a folder is a Graphical user interface metaphor for a directory in a file system.Folding machine, a machine used for foldingFolding bicycleIn Origami, a person who folds paper to make an origami sculptureAnother word for a folding knifeSee a