What's the OLB File?

Researcher:   |   Edited: December 05, 2018

Microsoft Silver

OLB File Summary

Our most recent information indicates that OLB files are associated with three unique file types (the most prevalent being the OLE Object Library format) and can be viewed primarily with Microsoft Excel, including seven other known software applications (listed below). OLB files are categorized ordinarily as Uncommon Files. Other file types can be CAD Files or Data Files.

File Extension OLB files have been identified on both desktop and mobile devices. They are fully or partially supported by Windows, Mac, and iOS. The OLB File Extension carries a Popularity Rating of "Low", meaning that these files are scarcely found in most user's file stores.

Interested to learn more about the OLB File Extension? We encourage you to view the detailed file information below to learn about the software that opens OLB files, and other troubleshooting tips.

Low
File Type Popularity
1943
File Rank

/ 11690

Active

Status

5

December

2018

Page Last Updated

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Types of OLB Files

  3 known file types use this extension

Dominant OLB File Type

.OLB
File Name:.olb
Classification:OLE Object Library

OLE file is an Object library that contains data types and constants referenced by MS Office components.

Created by: Microsoft Corporation
Kind:Uncommon Files
Registry Key: HKEY_CLASSES_ROOT\.olb

Software Programs That Open The OLE Object Library:


Microsoft Excel by Microsoft Corporation

Windows
Mac
iOS
Android

Microsoft Visual FoxPro by Microsoft Corporation

Windows

Microsoft Visual Studio by Microsoft Corporation

Windows

Microsoft Word by Microsoft Corporation

Windows
Mac

Microsoft PowerPoint by Microsoft Corporation

Windows
Mac
iOS
Android

Microsoft Project 2016 by Microsoft Corporation

Windows

Secondary OLB Associations

.OLB
File Name:.olb
Classification:OrCAD Symbol Library File

CAD file used by OrCAD, a program used for designing printed circuit boards (PCBs). It saves "symbols," which are the electric circuit components that can be put together to construct a PCB design.

Created by: Cadence Design Systems
Kind:CAD Files

Software Programs That Open OrCAD Symbol Library File Files:


OrCAD PCB Designer by Cadence Design Systems

Compatible with:

Windows
.OLB
File Name:.olb
Classification:Synergy/DE Object Library

OLB file stores object library from Synergy/DE, an integrated development environment, which used to develop programs with Synergy DBL language.

Created by: Synergex
Kind:Data Files

Software Programs That Open Synergy/DE Object Library Files:


Synergy/DE by Synergex

Compatible with:

Windows
Linux
OpenVMS

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OLB Requests


Most Popular Operating Systems

Windows 7 (48%)
Windows 10 (42%)
Windows 8.1 (5%)
Windows XP (2%)

Operating System Rankings

7 (45.73%)
10 (44.56%)
8.1 (5.41%)
XP (2.79%)
8 (0.97%)


OLB File Complications


Troubles Opening OLB Files

Microsoft Excel Removed

You attempt to load your OLB file and get an error such as "%%os%% Can't Open The OLB File Extension". When this happens, it is commonly due to Microsoft Excel missing in %%os%%. Your operating system cannot associate your OLB with Microsoft Excel, so double-clicking the file won't work.


Tip: If you know of another program that can open your OLB file, you can try opening it by selecting the application from the programs listed.


Microsoft Excel is Out-of-Date

In some cases, you might have a newer (or older) version of a OLE Object Library file that is unsupported by your installed application version. You will need to download a newer version of Microsoft Excel if you don't have the right version. Most of the time your OLE Object Library file was created by a newer Microsoft Excel than what you have installed.


Tip: If you right-click on your OLB file, then select "Properties" (Windows) or "Get Info" (Mac), you can obtain hints about what version you need.


Summary: Not having the right Microsoft Excel version on your computer can cause problems opening OLB files.


Other OLB File Issues

Errors opening OLE Object Library files can still occur even with the latest Microsoft Excel software installed on your computer. Other OLB opening errors can be created by other system problems inside of %%os%%. Issues that aren't software-related:

  • Corrupt Windows Registry file path references for OLB
  • Mistaken removal of the Windows registry OLB description
  • Microsoft Excel or another OLB application experienced a flawed installation
  • The OLB itself is corrupted
  • Malware-tainted OLB file can't be opened
  • Device drivers of the hardware associated with your OLB file are corrupt or out-of-date
  • Too many applications are open on your PC to load your OLE Object Library file successfully

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