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GWY file extension

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

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

✅ Gwyddion Surface Data

Gwyddion Surface Data .gwy file icon
GWY file is a Gwyddion Surface Data. Gwyddion is a modular program for SPM (scanning probe microscopy) data visualization and analysis. Primarily it is intended for analysis of height fields obtained by scanning probe microscopy techniques (AFM, MFM, STM, SNOM/NSOM), however it can be generally used for any other height field and image analysis, for instance for analysis of profilometry data.
GWY format description not yet available
Category: Data files
Application: Gwyddion
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
GWY aliases:
GWY related links:
GWY related extensions:
Gwyddion Simple Field File

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

🚫 The .gwy file extension is often given incorrectly!

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

gay, gdy, gsy, gw, gwg, gwt

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

OxMetrics Graphics Data
GeoDa Distance Weights Data
AquaCrop Groundwater Data
Unknown GAY File
SpaceStat Generalized Weights Format Data
Green Shoes Package
Novapoint Triangle Model
SWAT Groundwater Input Data

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

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