ABCF: As-Built Configuration File
ACF: Application Configuration File
AIFF: Audio Interchange File Format
APIF: Automated Process Information File
ASFP: askSam File Pointer
ATFG: Automatic Test File Generator
AUF: Authorized User File
BOF: beginning of file
CDF: Combined Data File
CGM: Computer Graphics Metafile
CSDF: Central Source Data File
CUF: Cross-Utilization File
DBFN: Data Bus File Number
DF: Drawing File
ECF: Equivalency Capability File
EDF: Engineering Data File
ENDF: Evaluated Neutron Data File
EOF: end of file
EVF: Equipment Visibility File
FAN: File Area Network
FAT: File Allocation Table
FDF: Flight Data File

FFS: Fast File System
FFS: Flash File System
FMP: FileMaker Pro
FSRU: File Substring Replacement Utility
FTAM: File Transfer, Access and Management
FTP: File Transfer Protocol
HCF: HIM Configuration File
IFF: Interchange File Format
IMF: Inventory Master File
MAF: Manpower Authorization File
MCRDF: mission configuration requirements data file
MCRF: Mission Configuration Requirements File
MIEWF: master integrated engineering work file
MMDF: Mission Model Data File
MRF: Maintenance Responsibility File
MSF: Maintenance Source File
NFS: Network File Server
OMF: Open Media Framework