A daily updated filename extension database!

GEF file extension

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

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

✅ Geotechnical Exchange Format File

GEF file is a Geotechnical Exchange Format File. GEF (Geotechnical Exchange Format) is a general language structure for storing and transferring geotechnical information.
GEF format description not yet available
Category: Data files
Application: GEFplot
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
GEF aliases:
GEF related links:
GEF related extensions:

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

🚫 The .gef file extension is often given incorrectly!

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

gdf, grf, gwf, bef, gfe, gev, ger, ged, vef, ref, fef, hef, ef, gsf, gff

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

GURPS Data File
SmartWare Pre 1.5 Graph Definitions Data
Iconics GraphWorx32 Display
Ragnarok Online Game Data
Grapher Document
GEM Graph Document
Minecraft Game Rules Data
Unified Color HDR Image
GelEval for Mac Document
HEAT Export Data

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

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