Open Packaging Format File

File Extension: .opf Developer: International Digital Publishing Forum Views: 44588 Updated: 2011-06-28 10:27:44 Hex: N/A ASCII: N/A

Files that use the .opf file extension are packaging files used to hold together various parts of electronic publications so that they conform to the OPS specification which has the metadata,reading order and other information, these files are usually xml files.