Known YDK Files

Principal YDK Type

.YDK

File Name:	.ydk
Category:	Yu-Gi-Oh! Deck File

A Yu-Gi-Oh! deck file utilized by the Yu-Gi-Oh! dueling game; YGOPRO. It has a deck of virtual playing cards; including life points, card effects, and counters.

Programmer:	Open Source
Class:	Game Files
Subkey:	HKEY_CLASSES_ROOT\.ydk

Software Programs That Open The Yu-Gi-Oh! Deck File:

YGOPRO by Open Source

Android

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Sources of YDK Problems

Troubles Opening YDK Files

YGOPRO is Not Installed

If you attempt to load your YDK file, you experience a message such as "Can't Open YDK Files". When this happens, it is commonly due to YGOPRO missing in %%os%%. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.

Tip: If you have another software that you know opens YDK files, you can select it by hitting the "Show Apps" button.

YGOPRO is Out-of-Date

Your Yu-Gi-Oh! Deck File file is incompatible with YGOPRO because you might have the wrong version installed. If you've got the wrong version of YGOPRO installed, you'll need to install the correct version. Your Yu-Gi-Oh! Deck File file was probably created by a newer release of YGOPRO than what's currently installed your computer.

Tip: Investigate your YDK file by right-clicking and selecting "Properties" to find clues on what version you need.

Regardless, most of the YDK file opening problems relate to not having the right version of YGOPRO installed.

Associated Difficulties Loading YDK Files

Although you might already have YGOPRO or another YDK-associated software installed on your computer, you can still encounter problems opening Yu-Gi-Oh! Deck File files. If you're still experiencing problems opening YDK files, there could be other computer problems. These issues include:

• Invalid YDK file references in the Windows Registry (the "phonebook" of the Windows Operating System)
• Deletion of the YDK file description from the Registry by mistake
• Corrupt install of YGOPRO or other YDK-related program
• Your YDK can't be loaded properly (file corruption)
• Your YDK is infected with malware
• Device drivers of the hardware associated with your YDK file are corrupt or out-of-date
• Your PC doesn’t have enough available resources to open the Yu-Gi-Oh! Deck File file