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FEK file extension

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

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

Table of Contents

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

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

✅ Altair FEKO Input Data

Altair FEKO Input Data .fek file icon
FEK file is an Altair FEKO Input Data. Altair Feko is a comprehensive computational electromagnetics (CEM) code used widely in the telecommunications, automobile, space and defense industries.
FEK format description not yet available
Category: Data files
Application: Altair FEKO
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
FEK aliases:
FEK related links:
FEK related extensions:
Altair FEKO TICRA Spherical Data

Altair FEKO Harness Description List

Altair FEKO PREFEKO Input Data

Altair FEKO CADFEKO Model Data

Altair FEKO POSTFEKO Binary Output Data


Altair FEKO CADFEKO Model Mesh Data

Altair FEKO CADFEKO Workspace Data

Altair FEKO Optimisation Information Data

Altair FEKO CADFEKO Optimisation Data

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

🚫 The .fek file extension is often given incorrectly!

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

bek, dek, eek, efk, f3k, fdk, fe, fel, fem, feu, frk, fsk, fwk, gek, rek

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Magic: The Gathering Deck
FotoSketcher Parameter Preset
Algor Simulation FEA Model
Surface Evolver Data File
LackeyCCG Deck File
Colton Fireworkz Document
FEFLOW Problem Settings Data
Fugawi Elevation Library Data
Arachne Network-Enabled Script
FacetWin User Keyboard Mapping

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

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