GRB File

What are GRB files and how to open them

Are you having problems opening a GRB file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your GRB files.

What is a GRB file?

GRB files have multiple uses, and Gridded Binary Data is one of them. Read more about the other uses further down the page.

Gridded Binary Data

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open GRB files

Important: Different programs may use files with the GRB file extension for different purposes, so unless you are sure which format your GRB file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different GRB openers which you will find listed below.

Last updated: December 11, 2022

All known file formats using extension .GRB

While Gridded Binary Data is a popular type of GRB-file, we know of 4 different uses of the .GRB file extension. Different software may use files with the same extension for different types of data.

HP ASII GROB Bitmap

We know that one GRB format is HP ASII GROB Bitmap. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

HP-48 Graphic Object Bitmap

We know that one GRB format is HP-48 Graphic Object Bitmap. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

HP-49 Graphic Object Bitmap

We know that one GRB format is HP-49 Graphic Object Bitmap. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of GRB files. Remember, different programs may use GRB files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about GRB file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.