Files with GRO extension might be found as old images from HP-49/48 calculators.

There are 4 other file types using
the GRO file extension!

empty icon.gro - Genbox Family History report options

empty icon.gro - Serious Sam game data

empty icon.gro - Warlords Battlecry game archive file

empty icon.gro - Allegro MIDI music

Bookmark & share this page with others:

GRO file - HP-48/49 grob graphic image format

What is gro file? How to open gro files?

File type specification:

Bitmap image file type icon Bitmap image file type

gro file icon: gro filetype icon

The GRO file extension is also used for a special graphic format used on HP-49/48 calculators. Very old format.

Help how to open:

You might still be able to open this format with XnView.

How to convert:

As far as we know, this .gro file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

Find conversions from gro file:

gro to jpg

Related links:

HP calc software and information.

List of software applications associated to the .gro file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open gro file, edit gro file, convert gro file, view gro file, play gro file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is ableto perform the specified software action, such as opening, editing or converting gro files.

  • View gro file
  • Import gro file
  • Export gro file

gro file viewer - programs that view gro file - HP-48/49 grob graphic image format

Programs supporting the exension gro on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for view gro file action.

Microsoft Windows:


Previous file extension
GRK file extension > Bitmap image file types

Next file extension
file extension GROB


Follow us!

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed