Migrating From Calibre Portable To Calibre For Mac
Post updated on 10 August, 2015 About calibre Calibre is a free, open source, ebook management and conversion utility created and maintained by Kovid Goyal. It is available for Windows, Mac OS X and Linux. Calibre cannot, on its own, remove DRM from ebooks. However, it is possible to added third-party software (‘plugins’) to enhance calibre. To be able to use the DeDRM plugin for calibre, it is necessary to install calibre first. The latest version can be downloaded from. The DeDRM plugin for calibre The DRM removal plugin (DeDRM_plugin.zip) can be found in the tools archive linked from the most recent post in this blog.
There are several great posts out there that covers the infrastructure required with step-by-step guides. 
The DeDRM plugin can remove DRM from Kindle eBooks (but not rented Kindle ebooks, books downloaded to a Kindle Fire, Kindle for iOS or the Windows Store Kindle App), Barnes & Noble ePub ebooks (but not books downloaded to the Windows Store Nook App), any ebooks using Adobe Digital Editions DRM (this includes ePubs from Kobo and Sony that are downloaded for Adobe Digital Editions), and the older Mobipocket and eReader ebooks. For other kinds of ebooks see the other posts in this blog. Installing the DeDRM plugin for calibre • Download the latest tools package, and unzip it. (On Windows, right-click and “Extract All”; After extracting all, rename the tools_vX.X.X.zip file to tools_zipped_vX.X.X.zip to prevent later confusion) • Run calibre. From the Preferences menu select “Change calibre behavior”. (Do not click “Get plugins to enhance calibre”, that option is reserved for ‘official’ calibre plugins.) • Click on Plugins (under “Advanced”) — it looks like a jigsaw puzzle piece.

Post updated on 10 August, 2015 About calibre Calibre is a free, open source, ebook management and conversion utility created and maintained by Kovid Goyal. It is available for Windows, Mac OS X and Linux. Calibre release (3.29.0) Windows. Windows 32-bit Installer; Windows 64-bit Installer; Calibre Portable Calibre Portable Installer Apple Mac OS X Disk Image (.dmg).
• Click on the large “Load plugin from file” button • Navigate to the tools folder unzipped in step 2 • Open the “DeDRM_calibre_plugin” folder • Select the DeDRM_plugin.zip file in that folder • Click on the “Add” (sometimes “Open”) button. • Click on the “Yes” button in the “Are you sure?” warning dialog that appears. A “Success” dialog will appear, saying that the plug-in has been installed. Click on “OK”.
Customising the plugin with encryption keys On Macintosh and Windows systems no customisation is required for ebooks from Kindle for Mac/PC, Nook Study, or Adobe Digital Editions (ADE), provided that calibre is run on the same computer and user account as the installation of Kindle for Mac/PC, Nook Study, or ADE to which the books were downloaded. The default key is found and stored in the preferences automatically. Anyone using Linux should read the ReadMe file for details of how to obtain the keys manually.
For other sources of ebooks, or on Linux systems, you must configure the plugin. To configure the plugin, you must find it in the list of plugins. Usually calibre will have automatically selected the DeDRM plugin after you add it.
If not, the DeDRM plugin can be found under “File Type plugins”. It might easier to find if you check the “Show only user installed plugins” checkbox. You might need to click on the triangle next to the “File Type plugins” label to show the list of File Type plugins. If it’s not already selected, click on the DeDRM plugin in the list to select it, and then click on the Customize plugin button.
Migrating From Calibre Portable To Calibre For Mac
This will open that main “Customise DeDRM” dialog which contains a set of buttons describing different type and sources of ebooks. If you have DRMed ebooks that match the description on any of the buttons, you will need to click on the button and enter the required information in the sub-dialog that will pop up. All the dialogs have a help link in the top right of the dialog, that gives further information about the required information. When all the configuration for your DRMed ebooks has been entered, click “OK” in the main dialog to save all the information you’ve entered.