File Extension Database

Open CALIBRE File

You may stumble across a file with an extension ".CALIBRE" while you handle various formats of digital files. Calibre is a popular and open-source e-book library management application that generally utilizes this file extension. This application allows users to organize, save and manage e-books in a variety of formats. It can also be used for e-book synchronization supporting a variety of e-readers and conversion of e-books from several formats to another.

Opening CALIBRE Files

With a .CALIBRE file, the most direct method of opening it is by using the Calibre application. Once installed, clicking on the .CALIBRE file should auto prompt this software to launch. In case the file doesn't open, try a right click, select 'Open with' and choose the Calibre application. Alternatively, you can open the application first and from the dashboard go to 'File' > 'Open' and then manually locate the .CALIBRE file.

Converting CALIBRE Files

Apart from managing e-books, another notable feature about Calibre is its ability to convert CALIBRE files to other formats. With a few clicks, it enables conversion to a variety of file formats such as EPUB, FB2, HTML, LIT, LRF, MOBI, PDB, PDF, TCR and more. For detailed instructions of conversion process, refer to the official Calibre Manual.

CALIBRE for E-Book Synchronization

Calibre provides a lucid and efficient way of syncing your e-books across multiple devices. It supports an array of popular e-readers including Amazon Kindle, Barnes & Noble Nook, Kobo Reader and many more. Plug the e-reader device to your computer and the Calibre detects it, then just navigate to the 'Send to device' icon on the application toolbar. Read the FAQs on Calibre's official website for more information.

CALIBRE File Important Information

Remember, though Calibre files are efficient and flexible in their application, they are not intended as a mainstream e-book format. CALIBRE files are related to the application's internal working and serve as application level data. If you want to read the book on a different device or application, make sure to convert the book to one of the standard formats first.

How Can I Open CALIBRE File on Windows

We researched and learned that the best way to open CALIBRE file is to find a CALIBRE file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a CALIBRE file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open CALIBRE file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as CALIBRE file opener then try to search online for "CALIBRE viewer", "application to open CALIBRE file" or "open CALIBRE file" queries in the search engine you like.
Install the application you found and check if it can open CALIBRE file

How Can I Open CALIBRE File on Mac OS

We recommend to find a CALIBRE file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a CALIBRE file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with CALIBRE file.
If you know the Mac OS application which can work as CALIBRE file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open CALIBRE file in it.
If you don't know the application which can open CALIBRE file then try to search for "CALIBRE viewer", "application to open CALIBRE file" or "read CALIBRE file" queries in the online search engine you like.
Install the application you found and check if it can read CALIBRE file

How Can I Open CALIBRE File on Android

If you downloaded a CALIBRE file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded CALIBRE file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "CALIBRE".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "CALIBRE viewer", "CALIBRE file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open CALIBRE File on iPhone or iPad

To open CALIBRE File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the CALIBRE file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "CALIBRE". This way you can find apps which can open CALIBRE files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "CALIBRE viewer" or "CALIBRE file" online in your favorite search engine.

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