It is a plain, empty manila folder used for organizing papers. They weigh nothing and can be sold for a single cap, but otherwise have no practical purpose in-game.
As a folder is equivalent to one 1 cap in value and has no weight penalty, they can be picked up as an additional form of currency.
- Folders can be found frequently in ruined offices and places of business, typically inside of desks and filing cabinets.
- In many containers scattered around in the Institute.