CALIBRE file format description

Many people often share .calibre files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .calibre files. To address this issue, we have created this page to offer assistance and guidance on handling .calibre files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .calibre files.

Our aim is to simplify the process and promote seamless use of the .calibre file format.

1 filename extension(s) found in our database.

.calibre - Calibre Device Information Data

The CALIBRE data files are related to Calibre. The CALIBRE file is a Calibre Device Information Data. Calibre is a free and open source e-book library management application developed by users of e-books for users of e-books. Calibre creates a drive info file named driveinfo.calibre in the root of each device drive for USB connected devices.

Data files
- / -
Calibre Device Information Data related extensions:
Shanda Bambook BEK eBook
Comic Book Collection
Zipped HTML eBook
Sony BBeB E-Book
Sony BBeB E-Book Source
EPUB Navigation Control XML

Naturally, other applications may also use the .calibre file extension. Even harmful programs can create .calibre files. Be especially cautious with .calibre files coming from an unknown source!

Can't open a .calibre file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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