Eclipse Document Access Definition Extension file
File type: Source code and script file, Settings, options, themes or skins file
The .dadx file extension identifies an Eclipse Document Access Definition Extension file. It is a project resource used to define a set of dynamic Web service operations.
File type category:
Source code and script file
Settings, options, themes or skins file
Date updated: September 28, 2026
A DADX file is an XML-based definition file associated with the Eclipse integrated development environment. It defines a set of dynamic Web service operations for an Eclipse project.
Eclipse is an integrated development environment for Microsoft Windows, Apple macOS, and Linux that allows programmers to create applications in various programming languages. DADX files are specialized development resources normally managed as part of an Eclipse project rather than opened as standalone documents.
Open the .dadx file in Eclipse on Windows, macOS, or Linux, preferably from the Eclipse project that contains it. Eclipse can use the file with the appropriate development tooling; opening it in a text or XML editor only displays its source and does not provide the associated project behavior.
If Eclipse does not recognize the file, the project may not include the tooling that created or uses the DADX definition.
DADX files are not normally converted to another format. The file defines Eclipse-specific Web service operations, so conversion can discard information required by the project.
To use the same operations elsewhere, recreate them manually in the target Web service or development environment rather than relying on a generic file converter.
Software applications that can open dadx files:
Software applications that can edit dadx files:
Software capable of saving dadx files:
Software apps that create dadx files:
Software apps that manage or store settings in dadx files: