DataTypes.net >> QCOW file

QCOW file format description

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

1 filename extension(s) found in our database.

.qcow - QEMU Copy On Write Disk Image

The QCOW disk image files are related to QEMU. QCOW file is a QEMU Copy On Write Disk Image. QEMU is a generic and open source machine emulator and virtualizer.

Application:
QEMU
Category:
Disk Image files
Mime-type:
application/octet-stream
Magic:
- / -
Aliases:
qcow2
QEMU Copy On Write Disk Image related extensions:
.fvd
Fast Virtual Disk
.img
QEMU Qcow Disk Image
.qed
QEMU Disk Image
.qemu
QEMU Configuration Data

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

Can't open a .qcow 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.qcow

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.

The .qcow file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

cow

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

.cow
Cowsay Data
.cow
Thief Game COW Data

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-qcow-files

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