.OLB File Extension

OLE Object Library

Developer Microsoft
3.8  |  19 Votes

What is an OLB file?

Object library that contains data types and constants referenced by MS Office components; may cause certain Microsoft programs to not function correctly if moved or renamed.

More Information

OLB files are also referred to as Office Object Library files.

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Programs that open or reference OLB files

OrCAD Symbol Library File

Developer Cadence Design Systems
3.1  |  13 Votes

CAD file used by OrCAD, a program used for designing printed circuit boards (PCBs); saves "symbols," which are the electric circuit components that can be put together to construct a PCB design; often used as a library for defining virtual circuit components that match the specifications of real-world circuit components.

More Information

OLB files are often included as part of an OrCAD project (.OPJ file).

Programs that open or reference OLB files


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