Having problems opening an OLB file?

We have programs that can open or convert your OLB files.

Opening OLB files

Did your computer fail to open an OLB file? We explain what OLB files are and recommend software that we know can open or convert your OLB files.

What is an OLB file?

The .olb file extension is most commonly used by Microsoft Office software applications. The OLB files contain object libraries. These libraries are referenced by the associated Microsoft application.

The .olb file extension is also used for VAX object library files, MTC data files, PSpice model files and AUTOGEN file.

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About File Extension OLB

File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.

If you have additional information about the OLB file format or software that uses files with the OLB suffix, please do get in touch - we would love hearing from you.