| Subject | English | Russian |
| IT | common object file format | общий формат объектных файлов |
| comp., MS | common object file format | формат COFF (A format in 32-bit programming for executable (image) and object files that is portable across platforms. The Microsoft implementation is called portable executable (PE) file format) |
| Gruzovik, IT | extended common object file format | формат XCOFF (abbr. XCOFF) |
| comp., net. | Extended Common Object File Format | расширенный общий формат объектных файлов |
| IT | object file system | объектная файловая система |