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GW file extension

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

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

✅ SWAT Groundwater Input Data

SWAT Groundwater Input Data .gw file icon
The CIO file is a SWAT Groundwater Input Data. SWAT (Soil Water Assessment Tool) is an hydrology model with the following components: Weather, surface runoff, return flow, percolation, evapotranspiration, transmission losses, pond and reservoir storage, crop growth and irrigation, groundwater flow, reach routing, nutrient and pesticide loading, water transfer.
GW format description not yet available
Category: Data files
Application: SWAT
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
GW aliases:
GW related links:
GW related extensions:

SWAT Reach Output Data

SWAT Weather Generator Input Data

SWAT Master Watershed Data

SWAT Watershed Water Quality Input

SWAT Stream Water Quality Input Data

SWAT Lake Water Quality Input Data

SWAT Basin Input Data

SWAT Watershed Configuration Data

SWAT Sub-basin Output Data

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

🚫 The .gw file extension is often given incorrectly!

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

bw, fw, ga, gd, gq, gs, hw, nw, rw, tw, vw, wg

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

GraalOnline Level Data
GemStone Document
GD Library 2 Image
STK Database Update Information
Lightscape View File
NWChem Input File
Gosu Class Data
Sweave Document
Godot Engine Source Code
SmartWare Custom View File

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

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