Unfortunately, this limitation means you can't open these books anywhere else since they are saved in Amazon's proprietary AZW file format. However, because of Digital Rights Management (DRM), you can only open Kindle eBooks on Amazon Kindle hardware or through official Kindle apps such as ones for iPad. Many kindle books even allow lending, which lets you send it to a friend for 2 weeks and then the file comes back to you when the two weeks expire or they return it.'Īs we first noted, 'due to copyright, don't plan to share these PDFs with others since it's not legal.'Īmazon continues to be the leader in eBooks thanks to its popular Kindle devices and apps. It keeps track of my progress and syncs my library. I can start a book on my phone, then finish it on my desktop. I have kindle on my kindle paper white, cell phone, desktop, laptop, and iPad. I know this first hand because I use this feature all the time. With the free kindle apps and the cloud system there is zero reason why books can’t be synced across multiple devices. Those dinosaur days of kindle 1.0 are over and have been for a decade. Calibre Sync additionally supports a number of libraries across multiple Dropbox, OneDrive, Box, pCloud, WebDav, Nextcloud, and OwnCloud accounts simultaneously.'There is no ethical reason why someone would need to convert a kindle book to a pdf. Move your Calibre e-guide libraries to your favorite cloud providers and access those libraries through Calibre Sync to browse, sort, search, obtain and browse books on your device. It even helps Calibre libraries on your exterior storage also from Calibre Content Server.

Calibre Sync help you access full Calibre libraries on the preferred private cloud companies, including Dropbox, Microsoft OneDrive, Box, pCloud, WebDav, Nextcloud and OwnCloud - simply the most supported for cloud services in your calibre libraries.

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