GRO File

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

What is a GRO file?

A .GRO file is an Allegro MIDI music file. 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 yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

What else are .GRO files used for?

While Allegro MIDI music is a popular type of GRO-file, we know of 2 different uses of the .GRO extension.

The GRO file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a GRO opener may not be able to open all kinds of GRO files. In this case, look through both formats to make sure you find the best suited GRO viewer.

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 yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Various GRO file openers, viewers, etc.

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

Genbox Family HistoryGenbox Family HistoryUser submitted
Dragon UnPACKerDragon UnPACKerUser submitted
ZipZag ArchiverZipZag ArchiverUser submitted
We have not verified any software that we know for certain will work with GRO-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with GRO-files. If you know one, please use the 'Suggest a program' link below and tell us about it!