| Subject | English | Japanese |
| comp. | n block special file | ブロック型特殊ファイル |
| comp., MS | File Block | ファイル制限機能 (A feature that allows end users and IT admins to control which file types and versions can be opened and saved in the application) |
| comp., MS | file control block | ファイル制御ブロック (A small block of memory temporarily assigned by a computer's operating system to hold information about an opened file. A file control block typically contains such information as the file's identification, its location on a disk, and a pointer that marks the user?s current (or last) position in the file) |