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Navigation: Home > GRE file

Informations about the GRE filename extension and the file formats associated with it

We collected the information you should know about the .gre filename on this page. If you were sent a(n) .gre file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.gre - GRETEP Data

The GRE file is a Data file, which is connected to the GRETEP Data according to our registry. With the adequate settings, the GRETEP Data (.gre) files can be opened or converted with the help of GRETEP for Windows.

Format description:
GRE format
GRETEP for Windows
Magic string:
- / -
Related links:
Related extensions:
ProSource Data
Nisus Writer Pro License Data
Concordance Imagebase File
Odigo Messenger User Data
Blackboard Course Requests
RawTherapee Sidecar File

Important! Programs other than the ones listed above may also use the .gre file extension. Even harmful programs can create files with the .gre extension to store data in them. Always be careful with .gre files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .gre file can’t be opened on your computer?

If the program necessary for opening the .gre file is installed properly on your computer, then the quickest and simplest way to open the .gre file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .gre file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .gre extension

The .gre filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .gre files.

fre, tre, nre, grw, grr, grd, gfe, gde, rge, gte, grs, grf, gr, ger

Maybe you’re not even looking for the .gre file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .gre extension. It’s possible that the one you’re looking for is among them.

Male Normal CT Image
Getright Skin
RFM Irregular Spectral Grid
GX Resource Source File
Star Wars Galaxies TRE Archive
The Guide Document

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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