X4K file format description

Many people share .x4k files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .x4k file can be edited, converted or printed with. On this page, we try to provide assistance for handling .x4k files.

1 filename extension(s) found in our database.

.x4k - XML4King Configuration

The X4K configuration files are related to XML4King. The X4K file is a XML4King Configuration.

Configuration files
- / -
XML4King Configuration related extensions:
TwinCAT System Manager Configuration
Foobar2000 Equalizer Preset
Borland Turbo Configuration
APP Keyboard Definition Data
Mcafee VirusShield Settings
Wee Configuration File

Naturally, other applications may also use the .x4k file extension. Even harmful programs can create .x4k files. Be especially cautious with .x4k files coming from an unknown source!

Can't open a .x4k 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.

The .x4k file extension is often given incorrectly!

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

c4k, x4m, xrk, xtk

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

AiM Tech EVO4S Logger Data
X-Ray Toolkit Metadata
Clonk Game Key
TeamLinks Mail Data

Operating systems

DataTypes.net currently supports the following operating systems:

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

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


If you have useful information about the .x4k file format, then write to us!

DataTypes.net >> X4K file