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Details of the .ddu file extension

The table below provides useful information about the .ddu file extension. It answers questions such as:

  • What is the .ddu file?
  • What program do I need to open a .ddu file?
  • How can the .ddu file be opened, edited or printed?
  • Where can I find the specifications for .ddu?
  • Which MIME-type is associated with the .ddu extension?
  • How can I convert .ddu files to another format?
  • What are other, similar filename extensions to .ddu?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.ddu file extension details

MAP dlms User Association Document

MAP dlms User Association Document .ddu file icon
DDU file is a MAP dlms User Association Document. The Landis+Gyr MAP Service Tool was developed to support the dialog meters. It is able to communicate with all modern electronic meters from Landis+Gyr and also with many units from other manufacturers, which comply with the standards according to dlms or IEC 62056-21 (formerly IEC 1107).
Category: Data files
Application: Landis+Gyr MAP
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DDU aliases:
DDU related links:
DDU related extensions:
MAP GMS Installation Document

MAP Parameterisation Document

MAP Service Document

MAP IEC Document

MAP Device Document

Other types of files may also use the .ddu file extension.

.ddu file extension error

The .ddu file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

dd, ddi, dfu, dcu, dru, deu, dsu, cdu, ddy, dud, xdu, sdu, vdu, ddj

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

OMA Download Descriptor
C64 Doodle Image
Diskdupe Disk Image
MAP IEC Document
The Suffering: Ties That Bind Data
Delphi Compiled Unit
iOS Device Firmware Upgrade File
EAGLE Design Rules File
Adobe Acrobat Reader German Language Data
ProWorx NXT Data Setup File
open .ddu file

Can't open a .ddu file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .ddu file association, check the FAQ.

.ddu file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .ddu file extension, write to us!

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