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 or convert OPF files

FlipViewerDownload Now
Mobipocket CreatorDownload Now
KEPServerExDownload Now
FlipAlbum ProDownload Now
Book Wizard ReaderDownload Now

Explanation

Program has been verified by File.org to open 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 almost 100 different types of files - and very likely yours too » Free Download.

By Prof. Jones (The File Expert)
Chief Content Editor and File Expert
Suggestions for this page? Mail me.