An olb file extension is related to the Microsoft Office and used for its OLE object libraries.

There are 4 other file types using
the OLB file extension!

empty icon.olb - VAX object library

empty icon.olb - Medical Terminology Challenge data file

empty icon.olb - PSpice capture symbols model file

empty icon.olb - Synergy/DE object library

OLB file extension - Microsoft Office OLE Object Library

What is olb file? How to open olb files?

File type specification:

Various data file type icon Various data file type

olb file icon: olb filetype icon

The olb file extension is related to OLE Object libraries used by many Microsoft Office applications, like Excel, Word, Powerpoint etc.

The olb files are also called Office Object Library files, they contain constants and data types referenced by Microsoft Office components.

Updated: April 22, 2024

The default software associated to open olb file:

Microsoft Office icon

Microsoft Corporation logoMicrosoft Office  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Office is popular productivity suite for Microsoft Windows. Microsoft Office contains a set of applications and services used to work with documents (Microsoft Word), spreadsheets (Microsoft Excel), presentations (Microsoft PowerPoint), databases (Microsoft Access) etc..

Microsoft Office can be also used to manage e-mail accounts, tasks, calendars and contacts (Microsoft Outlook). 

Help how to open:

The olb files are used for internal purposes of MS Office apps. Rad Studio is able to view content of olb files.

How to convert:

Conversion to other formats is not possible.

Related links:

How to obtain Microsoft Office constants from .olb files with Visual FoxPro

List of software applications associated to the .olb file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open olb file, edit olb file, convert olb file, view olb file, play olb file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting olb files.

Software that open olb file - Microsoft Office OLE Object Library

Programs supporting the exension olb on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open olb file action.

Microsoft Windows:

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