CWD file format description

Many people often share .cwd 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 .cwd files. To address this issue, we have created this page to offer assistance and guidance on handling .cwd files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .cwd files.

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

3 filename extension(s) found in our database.

.cwd - Cardwar Cards deck

The CWD game data files are related to Cardwar. The CWD file is a Cardwar Cards deck. Cardwar is a simple yet fun and highly addictive card game where you match cards together.

Game Data files
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Cardwar Cards deck related extensions:
HaxBall Stadium Format Data
MVP Baseball 2005 Game Data
Mario Kart 8 Collision Data
Elasto Mania Character Skin
Metal Gear Solid V G0S Data
Atlantis: The Lost Tales Audio Data

.cwd - QNonogram Puzzle CWD Data

The CWD game data files are related to QNonogram. The CWD file is a QNonogram Puzzle CWD Data. QNonograms is crossplatform open source nonogram (aka griddlers or paint-by-numbers) puzzle solver/game.

Game Data files
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QNonogram Puzzle CWD Data related extensions:
QNonogram Puzzle Data

.cwd - Nonogram Crosswords Puzzle

The CWD game data files are related to Nonogram Puzzle. The XPIX file is a Nonogram Crosswords Puzzle. The Nonogram Puzzle seems to be no longer supported.

Nonogram Puzzle
Game Data files
- / -
Nonogram Crosswords Puzzle related extensions:
StarCraft 2 Map Data
Trainz Jet Archive
Minecraft JAR Signature Data
OpenTibia Font Data
Infinity Engine 1.0 User Interface Description
Stronghold 2 Map

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

Can't open a .cwd 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 .cwd file extension is often given incorrectly!

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. By providing this list, we aim to assist users in finding the correct information more easily and improving their overall search experience on our site.

These misspellings were the most common in the past year:

cad, cd, cdd, cdw, ced, csd, cw, cwc, cwe, cwf, cwr, cws, cww, cwx, dwd

Is it possible that the filename extension is misspelled?

There is a possibility that the .cwd filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .cwd:

Chromeleon Device Driver
CorelDraw Workspace
Cubig Digital Recorder Sound
Balder Multiboot Configuration
Bitstream Fontware Data
Bentley InRoads Survey Field Book

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