The crossword solution for the term FILE STICK-ON is LABEL, which is a five letter word. A LABEL is an item of information that is attached to an object or product, usually in the form of a sticker or tag. Labels are used to identify and classify items, and can also be used to provide instructions or warnings. File stick-ons are labels that are designed to be stuck onto files, folders, and other documents, in order to help organize them.