.OLB File Extension

There are 2 file types use the .OLB file extension:

  1. OLE Object Library
  2. OrCAD Symbol Library File

1. OLE Object Library

OLE Object Library
  • Developer Microsoft
  • Popularity
    3.8 (11 votes)
  • Category Misc Files
  • Format Binary

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.

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

Software's name License Platforms
Microsoft Excel Microsoft Excel Commercial MacWindows
Microsoft PowerPoint Microsoft PowerPoint Commercial MacWindows
Microsoft Project 365 Microsoft Project 365 Free Trial Windows
Microsoft Visual FoxPro Microsoft Visual FoxPro Commercial Windows
Microsoft Visual Studio Microsoft Visual Studio Commercial Windows
Microsoft Word Microsoft Word Commercial MacWindows

Updated: July 25, 2009

2. OrCAD Symbol Library File

OrCAD Symbol Library File
  • Developer Cadence Design Systems
  • Popularity
    3.6 (9 votes)
  • Category CAD Files
  • Format Binary

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.

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

Software's name License Platforms
Cadence OrCAD PCB Designer Cadence OrCAD PCB Designer Free Trial Windows

Updated: May 11, 2011

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