When talking about ebook managing system, Calibre is always the first one that comes into my mind. As the open-source ebook manager and converter, many avid ebook lovers use this freeware to manage their books from different sources. Do you actually know where your Calibre ebooks are stored? Have you ever thought of changing the Calibre library location? If yes, then you come to the right place. You’ll discover your Calibre library location on Windows/Mac, how to change Calibre library location and even Sync Calibre Library across different computers.

Associated apps. Calibre Cloud (free) and Calibre Cloud Pro (paid), apps by Intrepid Logic that let one 'access your Calibre e-book library from anywhere in the world. Place your calibre library in your Dropbox, Box, or Google Drive folder, and be able to view, search, and download from your library anywhere'. ‎Read reviews, compare customer ratings, see screenshots, and learn more about Calibre Mobile. Download Calibre Mobile and enjoy it on your iPhone, iPad, and iPod touch. ‎Provide up to 3 paths to the libraries (http https or ftp) and you are ready to go!

Calibre for Mac is a free program that helps you manage your e-book libraries and create e-books from other sources for use on portable devices. Calibre for Mac is an open-source freeware program. You’ll discover your Calibre library location on Windows/Mac, how to change Calibre library location and even Sync Calibre Library across different computers. Calibre Library Location on Window/Mac. If you’ve ever added any ebooks to Calibre, it will generate a folder named “Calibre Library” automatically.

1. Calibre Library Location on Window/Mac

If you’ve ever added any ebooks to Calibre, it will generate a folder named “Calibre Library” automatically. All your added ebooks, converted ebooks will be stored in Calibre default library location. Where is the 'Calibre Library' on your Windows or Mac?

Here is the easiest way to find the location of Calibre library.

Click any book on your Calibre library, its detailed information will be display at the right column. Then click “Click to open” besides the “Path” option.

You can easily open your Calibre folder in this way.

Here is the Calibre default folder location:

Windows: C:UsersUser NameDocumentsCalibre Library

Calibre App Mac

Mac: /Users/User Name/Calibre Library

2. How to Change Calibre Library Location

You are not allowed to change the default Calibre location that stored your Calibre converted books, but if you need to do so, you can do it in this way.

1Just copy all the data from your Calibre Library folder and then store them to the new new folder.

Calibre Reader App

Remember to copy the metadata.db file because it stores all the metadata of your ebooks.

2Go to Calibre>>Calibre Library menu>> Switch/create Library.

Click on the 'Folder' icon in the pop-up windows, and navigate to the new folder that stored your Calibre books and metadata.

All done, your older Calibre library will still there but you'll have a new Calibre library with the same name as your new Calibre ebook folder. And you can switch between these two libraries in your Calibre.

3. Advanced Tutorial: Sync Calibre Library across Computers

Is there any way to keep the Calibre library synced across two computers? Sure, if you can transfer your Calibre library to your cloud storage and then set it as the new Calibre library, you can always access your Calibre library from any computer. Let's see how we can make this happen.

1Download and install the cloud storage app.

Download: Google Drive | OneDrive | Dropbox

Since I've already install the OneDrive, here I will show you how to sync Calibre library across computer with the assistance of OneDrive.

2Create a new folder named 'Calibre cloud library' in your OneDrive, and then copy and paste all data from your original Calibre library to the 'Calibre cloud library' folder. Then wait until all the data have been transferred to your OneDrive storage successfully.

3Go back to Calibre, click 'Calibre library' on the top menu bar, then fill in the location of 'Calibre cloud library' and click 'OK'. Then the Calibre cloud library has been set up on one computer. Now close the Calibre on this computer and give it a little time to sync the metadata of your Calibre library. Otherwise, you'll end up wth a snarled library.

4On any other computer that you want to access the Calibre Cloud library, please repeat the above steps. Then at the same OneDrive library as the Calibre Library location and you can build own web-based ebook library.

Pro tip: Location of Onedrive on Windows/Mac

Windows: C:UsersusernameOneDrive

Mac: /Users/username/OneDrive

Notifications for syncing Calibre across different computers:

1Since Calibre is not a multi-user program, you'll have to make sure only one instance of Calibre is accessing this cloud library.

2Once you've finished the reading, please close the Calibre and sync the metadata of your Calibre. Otherwise, you'll damage your Calibre library database and causes the inconsistent with the files in your Calibre library.

3Make sure you sync before every usage no matter which computer you are on.

After finishing this article, can you find your Calibre library location? Or do you have more tips or and tricks about Calibre library? Please just share them in the following comments.

Iris Yan joined Epubor since 2017. She always wants to share everything related to ebook reading and improve your reading journey.