GRE file format description

Many people often share .gre files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .gre files. To address this issue, we have created this page to offer assistance and guidance on handling .gre files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .gre files.

Our aim is to simplify the process and promote seamless use of the .gre file format.

1 filename extension(s) found in our database.

.gre - GRETEP Data

The GRE data files are related to GRETEP for Windows. The GRE file is a GRETEP Data. Grenoble Thermal Ellipsoids Plot Program (GRETEP) is an interactive program combining the ellipsoid drawing of ORTEP with the colour scheme of CAMERON. GRETEP was written by researchers at the European Synchrotron Radiation Facility in Grenoble, France. The GRETEP for Windows seems to be no longer supported.

Application:GRETEP for Windows
Category:Data files
Magic:- / -

GRETEP Data related extensions:

  • rtc SOBEK Real-time Control Data
  • catraster CATIA Raster Data
  • sep SWAT Septic Input Data
  • obk Oxygen Phone Manager Phone Book Data
  • te3 WinTrack Object File
  • bash_history Bash History Data

Be careful.

It is important to understand that the .gre file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .gre extension to create files. This includes potentially harmful programs or malware that may generate .gre files for various purposes. Be especially cautious with .gre files coming from untrusted or unknown sources.

Can't open a .gre 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 an extension, you receive the following message:

Select an app to open this .gre file

To set the .gre file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .gre file association. Many applications can open .gre files without requiring any specific file association to be set.

The .gre file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

bre, fre, gde, gee, ger, gfe, gge, gr, gr3, grd, grf, grr, grs, grw, gte

Is it possible that the filename extension is misspelled?

There is a possibility that the .gre filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .gre:

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you find the information on this .gre page useful, please feel free to link to this page. >> GRE file