List of RISC OS filetypes
The MimeMap module maps filetypes to and from MIME content types, dotted filename extensions and Apple's Uniform Type Identifiers. Requests for new filetype allocations for all versions are handled centrally by RISC OS Open. RISC OS filetypes. Filetypes were originally classified by Acorn into distinct ranges: User. This range of filetypes was intended for personal use in closed systems, not for general distribution. Nevertheless, many programs using these types were distributed, especially as Public-domain software. Consequently there are many clashes.