file open regime

FOPEN File OPEN

OFM Open File Manager

Open File

open capture file

open format file of MAPGIS

open Linked File

open order summary extract file

open payable file

open receivable detail file

keyed file file access system

FDFS File Descriptor File System

file allocation table file system FAT

file to file

file usage file

tape file-to-tape file transfer

open from Source Control Open

Single open-ended and double open-ended coaxial

32-bit file allocation table