In the ZR5 Offline, if a publication is grayed out and you get the message, "Currently Unavailable in the new Zinio Reader 5 Offline. Please visit your library online at www.zinio.com":
We are busy converting our back catalogue (over 150,000 issues) to enable access to the new ZR5. This will take some time. If a back issue has not yet been converted. The ZR5 Offline will display a message requesting you to read online or in the ZR4.