Having problems opening an OPF file?

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

Opening OPF files

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

What is an OPF file?

OPF stands for Open Packaging Format. The Open Packaging Format is a standard that is a part of the EPUB eBook specification. The OPF files store information for an associated eBook including the title of the eBook, the eBook language, creator, reading order and book ID. The OPF file is included in the EPUB archive to specify the metadata of the associated eBook. The OPF files are saved in XML format.

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About File Extension OPF

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 OPF file format or software that uses files with the OPF suffix, please do get in touch - we would love hearing from you.