If the Calibre is open, quit this app, and if necessary, launch Activity Monitor to check if any associated process runs on the background. Get an message saying that “Calibre can’t be moved to Trash because it’s open”? The solution to this issue is to shut down any active process pertaining to Calibre before you perform the uninstall. Q 1: what should you do before uninstall? To fully uninstall Calibre for Mac, there are 4 crucial issues you’ll need to know. If you have installed this app but wanna delete it now, read this post to know how to uninstall Calibre and remove all files it creates or imports on your Mac. To open up an eBook file stored in an external disk, it will automatically import the files to your local machine, which may upset some users whose disk space is limited. This app requires Mac OS X 10.9.5 or later, and it may occupy more than 1 GB space of disk.

What is Calibre for Mac? It is a free, open-source eBook library management applications with a built-in eBook reader, which support a wide variety of file formats. Take Proper Ways to Uninstall Calibre from Your Mac

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