How to open GRB files

Did your computer fail to open a GRB file? We explain what GRB files are and recommend software that we know can open or convert your files.

What is a GRB file?

The GRB file extension indicates to your device which app can open the file. However, different programs may use the GRB file type for different types of data.

We are aware of 4 different uses of the GRB extension, which you can read more about below.

Gridded Binary data

Through our analysis of GRB files, we know that one use of the format is Gridded Binary data. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

HP ASII GROB bitmap

Through our analysis of GRB files, we know that one use of the format is HP ASII GROB bitmap. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

HP-48 Graphic Object Bitmap

Through our analysis of GRB files, we know that one use of the format is HP-48 Graphic Object Bitmap. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

HP-49 Graphic Object Bitmap

Through our analysis of GRB files, we know that one use of the format is HP-49 Graphic Object Bitmap. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Software that will open, convert or fix GRB files

These apps are known to open certain types of GRB files. Since many different programs may use GRB files for different purposes, you may need to try a few of the apps to open your specific GRB file.

MaxSea ApplicationMaxSea ApplicationUser submitted
progeCAD Professional EnglishprogeCAD Professional EnglishUser submitted
GrStudioGrStudioUser submitted
SquidSquidUser submitted
GRBackPro - Professional backup for Win NT/98/95GRBackPro - Professional backup for Win NT/98/95User submitted
ImagenationImagenationUser submitted
Airmail ViewerAirmail ViewerUser submitted
AdrenaAdrenaUser submitted
Bluewater RacingBluewater RacingUser submitted
ImagenationImagenationUser submitted
We have not verified any programs that we know for certain can work with GRB-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with GRB-files. If you know one, please use the Suggest link below and tell us about it!