CALIBRE file format description

Many people share .calibre files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .calibre file can be edited, converted or printed with. On this page, we try to provide assistance for handling .calibre files.

1 filename extension(s) found in our database.

.calibre - Calibre Device Information Data

The CALIBRE data files are related to Calibre. 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.

Application:

Calibre

Category:

Data files

Mime-type:

application/octet-stream

Magic:

- / -

Aliases:

Calibre Device Information Data related extensions:

.cbc: Comic Book Collection
.htmlz: Zipped HTML eBook
.lrf: Sony BBeB E-Book
.lrs: Sony BBeB E-Book Source
.ncx: EPUB Navigation Control XML
.opf: Open Electronic Package Ebook

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:

example.calibre

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.

Open Control Panel > Control Panel Home > Default Programs > Set Associations.
Select a file type in the list and click Change Program.

Operating systems

DataTypes.net currently supports the following operating systems:

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

If you find the information on this page useful, please feel free to link to this page.

https://datatypes.net/open-calibre-files

If you have useful information about the .calibre file format, then write to us!