How to open GRO files

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

What is a GRO file?

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

We are aware of 2 different uses of the GRO extension, which you can read more about below.

Allegro MIDI music

Through our analysis of GRO files, we know that one use of the format is Allegro MIDI music. 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!

Genbox Family History report options

Through our analysis of GRO files, we know that one use of the format is Genbox Family History report options. 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 GRO files

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

Genbox Family HistoryGenbox Family HistoryUser submitted
Dragon UnPACKerDragon UnPACKerUser submitted
ZipZag ArchiverZipZag ArchiverUser submitted
We have not verified any programs that we know for certain can work with GRO-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 GRO-files. If you know one, please use the Suggest link below and tell us about it!