DEK file extension

Eavesdropper (seismic information processing application) Batch Processing Command file with a collection of commands and instructions that are used for processing seismic data (DAT) files.

LackeyCCG (utility that is used for generating card decks and playing collectible card games (CCGs) online and offline) file with a card pool that is made up of player cards. It is used to store decks for various games and playing styles.

Magic: The Gathering Online (MTGO - an online card-playing game) card deck file with a collection of cards that comprise a playable deck for the game. It is used to store groups of cards for various races and types of play. MTG Studio application is used to generate DEK files. They may be opened with any text editor due to their XML formatting.

Yugioh Virtual Desktop (YVD - a game that is used to play Yu-Gi-Oh! card games online) file that is stored using a plain text format and includes a collection of cards in the deck separated by line breaks. It is used to store decks for verious styles of gameplay.

This file stores a deck of flashcards that can contain text, sound and pictures. It is used by Memorize-It to generate and administer quizzes that may be used to study and test knowledge.