Flap Folder XT-558FD

File folders usually consist of a sheet of heavy paper stock or other thin, but stiff, material which is folded in half, and are used to keep paper documents.To make a paper folder, start by stapling 2 pieces of paper together along each side except for the top. Then, repeat the process with 2 other pieces of paper. Next, fold 2 pieces of paper in half crosswise, and staple the shorter sides together to make 2 pockets.A folder is a storage space, or container, where many files can be placed into groups and organize the computer. A folder can also contain other folders.