OF - Overflow Flag

OFB - Output Feed Back

OFC - Open Financial Connectivity

OFDM - Orthogonal Frequency Division Multiplexing

OFML - Open Forms Markup Language

OFS - Output Field Separator

OFS - Object File System

OFX - Open Financial Exchange

OH - Overhead

OH - Off Hook

OHF - Object Header File

OI - Owner Information

OID - Object Identification

OIDL - Object Interface Definition Language

OIS - Office Information System

OIW - OSE Implementers Workshop

OL - Object Language

OL - Ordered List

OLAP - On - Line Analytical Processing

OLAP - On - Line Application Processing

OLCP - On - Line Complex Processing

OLD - Optical Line Distributor

OLE - Object Linking and Embedding

OLEDB - Object Linking and Embedding Database

OLF - Off - Line Function