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1File types that are unsupported can be opened in binary format.
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1. Try Different Software
Don't have the Unknown Apple II File software package? The good news is that two other popular software packages can also open files with the GRB suffix. If you don't have Unknown Apple II File, you can also use HP-48/49 GROB or Gridded Binary Image. Alternatively, you can do a Google search to see if there are other free software packages that also open files with the GRB extension.
Pro Tip: Consider whether you really want to buy expensive software to open a once-off file, or whether you want to risk possibly installing malware with a free software package.
2. Change GRB File Associations
Computers are smart, but can sometimes be easily confused. Your PC may ask you to choose a default program with which you want to open GRB file extensions in future. If you don't receive this prompt, you could change your GRB file associations via your Control Panel.
3. Download a Universal Software Viewer
Do you frequently receive files like GRB that you can't open? Ruling out any possible issues with your computer would be a first step to solving your issues. However, if your computer is working just fine and you simply receive many binary files for which you don't have the appropriate software, you could download a universal software viewer.
Do you frequently receive files like GRB that you can't open? Ruling out any possible issues with your computer would be a first step to solving your issues. However, if your computer is working just fine and you simply receive many binary files for which you don't have the appropriate software, you could download a universal software viewer. Save yourself time and trouble by getting File Magic (download).
A universal software viewer saves you the hassle of installing many different software packages on your computer, without the limitation of being unable to view the files. File Magic can open most file types, including those with a GRB extension. Download File Magic now and try it for yourself.
Software | Developer |
---|---|
Unknown Apple II File | found on Golden Orchard Apple II CD Rom |
HP-48/49 GROB | Windows Programmer |
Gridded Binary Image | Microsoft Developer |
HP-48sx Calculator GROB Graphic Object | PC Software Company |
MS-DOS Shell Monitor | Microsoft Developer |
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