File Extension Library


.DEI File Extension

  • Category: Various data Files

What is an .DEI file?

.DEI file extension has been classified as Various data Files.

.DEI is Gerber design engineered interface

The dei file extension is associated with the Gerber design engineered interface file format developed by the GSI Gerber Systems Inc. and used in PCB (Printed Circuit Board) desigining and industry.

 The Gerber design engineered interface format seems to be obsolete.

.DEI file format is deprecated and this file format is no longer supported.

Currently, .DEI file type is not actively used and is obsolete. This usually happens with system files in older operating systems, files from long-discontinued software, or with previous versions of some file types (documents, projects, images, etc.) that were replaced in later versions of the original programs.


How to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

How to Open .DEI file on different platforms

Open .DEI File on Windows

  • Right-click a .DEI
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .DEI file and Select check box "Always use this app to open .DEI files" Press "Ok"

Open .DEI File on Mac

  • Right-click (or Ctrl + Left-click) the .DEI file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .DEI File on Linux

Right click on the .DEI file, choose "Open with" and select a program from the list above

Open .DEI File on iPhone

Select a file. If you don't see an application to open the .DEI file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .DEI File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .DEI files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .DEI files

  1. You need to update the application that you normally use to open .DEI files. Only the latest version of the software supports the current .DEI file format
  2. You need to check the .DEI file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)