Apple has finally verified that Google servers have helped the company store
data opf its iCloud service.
Not exact matches
opf file — typically named package.
opf or content.
opf — is an XML file that contains the structural
data of the EPUB.
The
OPF file is an XML document, and it uses a defined set of tags to encode
data (similar to HTML) specified by the IDPF.
opf file in a text editor to see exactly what
data it contains.