Opening a DCK File

The DCK file type is primarily associated with Magic: The Gathering Arena.

DCK	File extension: DCK
	File type:	deck list file

What is a DCK file?

DCK files mostly belong to Magic: The Gathering Arena. DCK files store deck lists for Magic: The Gathering digital games. They contain the names and details of cards used for building a deck.
Primary use case:

Used by Magic: The Gathering Arena to quickly load and manage decks.

Other relevant uses:

Employed by Magic: The Gathering Online for deck competitions.

Utilized by deck sharing services such as Deckbox.

You can open a DCK file with the appropriate game client to import your deck. Alternatively, a plain text editor can display its contents if you wish to view the card list.
FilExt.com tip: For more details, visit the official pages such as Magic: The Gathering Arena or MTG Online.

How do you open DCK files?

You need a suitable software like Magic: The Gathering Arena to open a DCK file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DCK file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DCK file directly in the browser:. Just drag the file onto this browser window and drop it.

Online DCK Text Viewer

Choose your .dck file to analyze

or drag and drop it here

Online File Viewer

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DCK file format:

Each file has a definite file format, that is, how the stored data is arranged in the file. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. However, different programs can use the same file extension. Furthermore, a file extension can be renamed incorrectly and double-clicking on it will then display an error when it is opened. Knowledge is power - this also applies when dealing with unknown or faulty files. Our evaluation of the DCK files is as follows:

The DCK file extension is rather rarely used and includes different formats for the applicable programs. The two most common formats are as follows:

• 30% of all DCK files use the same file format, which can be identified by the letters "[metadata]" at the beginning. These files contain text and words, not binary data. The average file size is 2 KB with most files being between 510 bytes and 2 KB in size. This file type is based on cutting-edge technology. Certain words are almost always found in the files, such as Name, [Main], [metadata] and [Commander]. Files like these are sometimes connected to cube.
• 10% of all DCK files use the same file format, which have the signature 1 [. These files are text files, so they contain words and text. Most of these files are 3 KB to 3.8 KB in size.

All the rest of the DCK files (60%) have different formats, the following 6 formats can be found: NAME, lwy and VERSION. They are often associated with rfao, deck, modern, rfamp, affordable, imperial, control, project or auto. You can get all the details of your DCK file by dragging it onto this page or by clicking the button "Choose your .dck file to analyze" above.