A daily updated filename extension database!

NEI file extension

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

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

✅ LonWorks Neuron EPROM Image File

NEI file is a LonWorks Neuron EPROM Image File. LonWorks (local operation network) is a networking platform specifically created to address the needs of control applications. NEI file contains the Neuron application image to allow programming the EPROM or FLASH used in the WattNode with a device programmer.
NEI format description not yet available
Category: Data files
Application: LonWorks
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
NEI aliases:
NEI related links:
NEI related extensions:
LonWorks Binary Device Interface File

LonWorks Device Interface File

LonWorks Optimized Device Interface File

LonWorks Neuron Application Image File

LonWorks Binary Neuron Application Image File

LonWorks LON XML File

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

🚫 The .nei file extension is often given incorrectly!

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

ei, eni, hei, mei, ndi, neo, neu, nfi, ni, nri, nsi

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Electric Image
Altair FEKO Femap Geometrical Data
EtherCAT Network Information File
Entis Rasterized Image
Dreambox Firmware Image
Heitml Source Code
NetObjects Fusion Preview
Novell Netware Device Information File
Nero ISO9660 CD-Rom Compilation

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

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