Files with dde extension are generally related to Dynamic Data Exchange protocol used in Windows.

There is one other file type using
the DDE file extension!

empty icon.dde - Sage MAS 90 data file

Detailed description

Software that works with dde file extension

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DDE file extension - Dynamic Data Exchange

What is dde file? How to open dde files?

File type specification:

Binary file type icon Binary file type

The dde file extension is mainly related to Microsoft Dynamic Data Exchange.

Windows provides several methods for transferring data between applications. One method is to use the Dynamic Data Exchange (DDE) protocol.

The DDE protocol is a set of messages and guidelines. It sends messages between applications that share data and uses shared memory to exchange data between applications.

Applications can use the DDE protocol for one-time data transfers and for continuous exchanges in which applications send updates to one another as new data becomes available.

The default software associated to dde file type:

Microsoft Windows icon

Microsoft Corporation logoMicrosoft Windows  Microsoft Windows software

Company or developer:
Microsoft Corporation

A family of operating systems developed by the Microsoft Corp. The first Windows was released in 1985 as a GUI add-on to MS-DOS.  MS-DOS based Windows versions were developed to 2000, when was released the last version called Windows ME. Windows based on NT core started in 1993. Windows NT family are developed to these days, the latest version is called Windows 10.

Help how to open DDE files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension DDE:

As far as we know, this .dde file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .dde 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 dde file, edit dde file, convert dde file, view dde file, play dde file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Others dde file

Unspecified and all other actions for computer programs working with dde file - Dynamic Data Exchange

Click on the software link for more information about Microsoft Windows. Microsoft Windows uses dde 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.).

Microsoft Windows:

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DCU file extension

File-Extensions.org > Binary file types

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