The DEC file extension is related to the Magic: The Gathering Online a computer game. The *.dec file stores deck of cards.
DEC file extension - Magic: The Gathering deck of cards
What is dec file? How to open dec files?
File type specification:
The DEC file extension is also associated with the Magic: The Gathering Online a computer variant of card game Magic: The Gathering. The *.dec file contains database of cards for editor implemented in the game client.
List of recommended software applications associated to the .dec file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file: like open dec file, edit dec file, convert dec file, view dec file, play dec file etc. (if exist software for corresponding action in File-Extensions.org's database).
- Others dec file
Unspecified and all other actions for computer programs working with dec file - Magic: The Gathering deck of cards
Click on the software link for more information about Magic: The Gathering Online. Magic: The Gathering Online uses dec file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).