Opening a GAT File

The GAT file type is primarily associated with Ragnarok Online.

GAT	File extension: GAT
	File type:	data file

What is a GAT file?

GAT files mostly belong to Ragnarok Online. A GAT file can belong to different programs based on its source and purpose.

Ragnarok Online Map File: This file holds map data for the game Ragnarok Online. It stores level geometry and layout information. Visit the PlayRagnarok website for details.
Configuration File: Some GAT files serve as backups of settings for the Check Point Security Gateway. They are often compressed (using ZIP) and used to restore system configurations. More information is available at the Check Point website.
Gator Password / Genealogy Tree File: Other GAT files store password data for Gator Guard or even hold data for family trees used with Genealogy Tree Maker. Opening these files requires the respective application.

FilExt.com note: Use the correct program to open a GAT file and always back up the file before making changes.

How to open GAT files

You need a suitable software like Ragnarok Online to open a GAT file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your GAT file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GAT file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GAT Text Viewer

Choose your .gat file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert GAT files:

Ragnarok Online
See the previous paragraphs to learn more about the main application. GAT files are often referred to as Ragnarok Online games because this type of file is primarily created or used by this software.
Gator File
(password manager)
Genetic Algorithm Timetabler (GATTer) (Configuration and Information File) by Chris Skardon
GATTer allows the creation of simple exam timetables based on two key inputs from the user, providing output in a suitable format, as a file on the user’s disk space. The output includes the date, time and location of each course’s exam. This file format is classified as Text.

Technical Data for GAT File Extension

File classification:

Game

Related files:

map, dat, ucs, apk, jpg, gbd, zip, cfg, xml

a gat data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with GAT files

Associate the GAT file extension with the correct application.
Update your software that should actually open data files. Because only the current version supports the latest GAT file format. Search, therefore, e.g. on the manufacturer website after an available Ragnarok Online update.
To make sure that your GAT file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .GAT file online - secure, fast, and no downloads needed.