How to open a file with .DEC extension?

File Type : Unknown Apple II File (found on Golden Orchard Apple II CD Rom)
Compatible with (Win10, Win8, Win7, Vista and WinXP)

You'll need a new app to open this .DEC file

Searching for the right program to open .DEC files?

"You'll need a new app to open this file" is probably the most common error faced by millions of Windows users every day. This is either because the program required to open a file is not available on your system or there may be other issues.

We recommend that you run a free scan to check for missing drivers.


What is .DEC file extension?

Text-based declaration file used by by ADL (Application Development Language) programs; contains global variables and constants that may be referenced by other files within a programming project.
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.

Software that can be used to open DECfiles:

  • ADL software
  • Edit with a text editor
  • ADL software
  • Edit with a text editor