Originally Posted by stacyl276
What program opens the .opf file. I assumed a text editor or Dreamweaver would do this but neither let me. I'm not seeing where I can fix this in the metadata panel (in InDesign) either. I tried to use sigil but I am on OS 10.5.8 and can't seem to find an older download of Sigil anywhere. The newest version needs OS 10.6.
An ePub container is just a ZIP file. Just unZIP the OPF file, make your changes using a text editor and put it back in.