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.

Software that will open, convert or fix OPF files

FlipViewer Download Now
Mobipocket Creator Download Now
KEPServerEx Download Now
FlipAlbum Pro Download Now
FlipAlbum Download Now


Program has been verified to work with OPF files.
Every day, thousands of users submit information to us about which programs they use to open certain types of files. Our users primarily use the above programs to open OPF files.

Try a universal file viewer

In addition to the products listed above, I would suggest that you try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and very likely yours too » Free Download.

By Prof. Jones (The File Expert)
Chief Content Editor and File Expert
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