A daily updated filename extension database!

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?
  • How can I convert .ddu files to another format?

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

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

✅ MAP dlms User Association Document

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.

🚫 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:

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

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
iOS Device Firmware Upgrade File
DFUWizard Firmware Image
CDU Paint Image
The Suffering: Ties That Bind Game VDU Data
EAGLE Design Rules File
SilkRoad Online Image
Delphi Compiled Unit
The Suffering: Ties That Bind Game Data

🔴 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.

🔴 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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