A daily updated filename extension database!

DEU file extension

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

  • What is the .deu file?
  • What program do I need to open a .deu file?
  • How can the .deu file be opened, edited or printed?
  • How can I convert .deu 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

✅ Adobe Acrobat Reader German Language Data

DEU file is an Adobe Acrobat Reader German Language Data. Adobe Reader (also known as Adobe Acrobat Reader) is a free application that allows you to view and print PDF files.
DEU format description not yet available
Category: Data files
Application: Adobe Acrobat Reader
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DEU aliases:
DEU related links:
DEU related extensions:
Adobe Acrobat Reader French Language Data

Adobe Acrobat Reader Ukrainian Language Data

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

🚫 The .deu file extension is often given incorrectly!

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

ddu, de, dei, dek, dfu, dru, dsu, eu, feu, reu

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

LackeyCCG Deck File
Euphoria Include File
Eavesdropper Batch
Memorize-It Deck File
Magic: The Gathering Deck
MAP dlms User Association Document
Far Cry 3 Data
DrawExpress Diagram Document
C64 REU Image
iOS Device Firmware Upgrade File

🔴 Can't open a .deu 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 .deu 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 .deu file extension, write to us!

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