A daily updated filename extension database!

DEI file extension

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

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

✅ Gerber Design Engineered Interface Data

DEI file is a Gerber Design Engineered Interface Data. A Gerber File is a standard file format used by printed circuit board (PCB) fabrication houses that contains information necessary for computer controlled machines to draw exact patterns for circuit boards.
DEI format description not yet available
Category: Data files
Application: StyleCAD
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DEI aliases:
DEI related links:
DEI related extensions:
Gerber Bottom Solder Mask Data

Gerber Bottom Overlay Data

Gerber Bottom Layer Data

Gerber Bottom Paste Mask Data

Gerber Drill Drawing Data

Gerber Keep Out Layer

Gerber Pad Master Bottom Data

Gerber Pad Master Top Data

Gerber Top Layer Data

Gerber Top Overlay Data

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

🚫 The .dei file extension is often given incorrectly!

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

cei, ddi, de, dek, del, deo, deu, dfi, di, die, dri, dsi, dwi, edi, ei

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Diablo Item Data
CRiSP Harvest Settings Data
Microsoft SQL Server Data Replication Index
Adobe Acrobat Reader German Language Data
Magic: The Gathering Deck
Electric Image
Diskdupe Disk Image
DAZ Studio Layered Image Set
TI bqEASY Data Flash Image
LackeyCCG Deck File

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

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