a one-to-eight character alphanumeric field, comprised of A through Z, 0 through 9, and special characters $ # @ + - (hyphen) : (colon) \_ (underscore), that is used as a descriptor or as a qualifier of the filename field in the CMS file identifier.

Extension to a filename. A filetype can be from zero to three characters and must be separated from the primary filename by a period. A filetype can tell something about the file. Some programs require that files to be processed have specific filetypes.

See CMS filetype.

FileType is a file type detection engine written in C. It will appeal to coders looking for functionality similar to that provided by the 'file' command. FileType is compact , efficient, and very portable. FileType is part of the family of software created from the commercial Xamime email filtering project.

An HP VUE mechanism used to associate particular data files with the appropriate applications and actions. Filetypes can determine the type of a file based on file naming conventions, such as a particular extension name, or by the contents of the file.

The type component of a file specification; it usually identifies the type data in the file or how the file is used.