.opf file extension
- FlipBook definition file.
For more information see:
- www.flipviewer.com - Tools and viewers for .opf FlipBook files are available from the FlipViewer site.
Can you add to this? Do you know of any applications not already listed which will work with .opf files, view .opf files or open .opf files? Are you able to contribute any additional reference information or file format information about .opf files or have you spotted any errors or omissions? If so please let us know by emailing us at firstname.lastname@example.org - Thank you.