Because it's one of the Comic book archive (https://en.wikipedia.org/wiki/Comic_book_archive) file format? I think Calibre should support all of those formats for a better experience, but feel free to close this bug if you disagree.
Because it's one of the Comic book archive (https:/ /en.wikipedia. org/wiki/ Comic_book_ archive) file format? I think Calibre should support all of those formats for a better experience, but feel free to close this bug if you disagree.